- 
				           		那个士兵在那儿到底在干什么不得而知。
						        					            	 Just what the soldier was doing there is unclear.
								    										 
								    				            	 《柯林斯英汉双解大词典》 
- 
				           		她想要什么不得而知,但她总会回来的。
						        					            	 What she wants is unknown, but she always comes back.
								    										 
								    				            	 youdao 
- 
				           		这个词是如何从“一个让你想要拥抱的人”变成“一个让你畏缩的人”,我们不得而知,但其中有一些诱人的线索。
						        					            	 How the word made the leap from "someone who makes you want to cuddle" to "someone who makes you cringe" isn't really known but there are a few enticing clues.
								    										 
								    				            	 youdao 
- 
				           		提议的细节仍不得而知。
						        					            	 Details of the proposals remain secret.
								    										 
								    				            	 《牛津词典》 
- 
				           		该研究结果能否推广到其他地区还不得而知。
						        					            	 Whether this research translates elsewhere is anybody's guess.
								    										 
								    				            	 youdao 
- 
				           		如今圣何塞贫苦的孩子是否仍有机会踏入社会上层还不得而知。
						        					            	 Whether poor kids in San Jose today still have the chance to move upward is questionable.
								    										 
								    				            	 youdao 
- 
				           		是否确实如此现在还不得而知。
						        					            	 Whether this is so may never be known.
								    										 
								    				            	 youdao 
- 
				           		那些象牙的命运我们不得而知。
						        					            	 The fate of the tusks is unknown.
								    										 
								    				            	 youdao 
- 
				           		他们缘何来到东部,我不得而知。
						        					            	 Why they came East I don't know.
								    										 
								    				            	 youdao 
- 
				           		这些变化能否持续还不得而知。
						        					            	 Whether the changes will stick is unclear.
								    										 
								    				            	 youdao 
- 
				           		其他州是否都会这样做不得而知。
						        					            	 Whether other states will follow is unclear.
								    										 
								    				            	 youdao 
- 
				           		术后疝气的长期复发率尚不得而知。
						        					            	 The long-term recurrence rate is not yet known.
								    										 
								    				            	 youdao 
- 
				           		损失的规模和范围仍然不得而知。
						        					            	 The scale and scope of the losses are as yet unknown.
								    										 
								    				            	 youdao 
- 
				           		布朗的班子现在大部分还不得而知。
						        					            	 Mr Brown’s court remains largely unknown.
								    										 
								    				            	 youdao 
- 
				           		我们不得而知,”埃贝尔说。
						        					            	 We don’t know, ’’ Ebel said.
								    										 
								    				            	 youdao 
- 
				           		事实上,它是否还有前途都不得而知。
						        					            	 In fact, it was not clear whether it had any future at all.
								    										 
								    				            	 youdao 
- 
				           		还有一点不得而知:疗效能持续多久?
						        					            	 Another unknown: how long will the treatment effects last?
								    										 
								    				            	 youdao 
- 
				           		他开枪的原因还不得而知。
						        					            	 The cause of shooting was not known.
								    										 
								    				            	 youdao 
- 
				           		这种睡眠模式对健康的长期影响还不得而知。
						        					            	 It appears that the long term health effects of this sleep pattern aren't well known.
								    										 
								    				            	 youdao 
- 
				           		答案是我们不得而知。
						        					            	 The answer is that we don't know.
								    										 
								    				            	 youdao 
- 
				           		至于能否为善,我可就不得而知了。
						        					            	 Whether capable of good I know not.
								    										 
								    				            	 youdao 
- 
				           		这个趋势会持续多久不得而知。
						        					            	 It's not clear how long the trend will continue.
								    										 
								    				            	 youdao 
- 
				           		仍然不得而知。”他在会上说。
						        					            	 The jury is still out, " he told the conference.
								    										 
								    				            	 youdao 
- 
				           		这种做法是否经过了科学研究,我们不得而知。
						        					            	 It's unclear if there have been scientific studies of this practice.
								    										 
								    				            	 youdao 
- 
				           		这个小国家到底从他身上获利多少已不得而知。
						        					            	 How much that little country has benefited from his involvement is unclear.
								    										 
								    				            	 youdao 
- 
				           		真相也许不得而知。
						        					            	 The truth may never be known (see article).
								    										 
								    				            	 youdao 
- 
				           		然而,这些人当中成为累犯的比率仍不得而知。
						        					            	 The rate of recidivism is not known.
								    										 
								    				            	 youdao 
- 
				           		然而,这些人当中成为累犯的比率仍不得而知。
						        					            	 The rate of recidivism is not known.
								    										 
								    				            	 youdao