"Confucius replied:" Not one that would try to fight a tiger with bare hands or try to wade across a river without aid or has no regrets dying during the expedition.

孔子答道：“徒手跟猛虎搏斗，徒步涉水渡河，就是死去也不后悔；这种人我不会和他共事。”

youdao

It cannot be seen from Earth without the aid of binoculars or a telescope.

VOA: special.2011.07.27

How then can we justify the ways of God to men? How can we justify the fact that the abstinent Orpheus, the virtuous Orpheus, ? was so brutally assaulted and without any aid from the higher powers?

如何证明上帝待人之法？，如何解释俄耳甫斯这样一个,节制欲望，贞洁自守的人竟会遭到如此残忍的谋害，却得不到任何更高力量的援助这样一个事实？

耶鲁公开课 - 弥尔顿课程节选

You remember, thalidomide is the drug which was actually really most used as sleeping aid that when pregnant women took were shown to produce deformities, children who were born without limbs for example.

你应该知道这种药品,实际上它是用来辅助睡眠的,但是，如果孕妇吃了这种药,就可能造成胎儿畸形，可能生出来的婴儿是没有四肢的。

普林斯顿公开课 - 人性课程节选

Just so, consumers and producers can make sense of market forces without aid or explanation.

FORBES: American Political Economy Is No Different From English Language

Many will not see another harvest until August, so without aid they will surely die.

ECONOMIST: Facing famine, Ethiopia appeals urgently for food aid

The model is Ireland, whose brutal spending cuts restored market confidence without aid from its European neighbours.

ECONOMIST: Germany and the euro