但是一定要小心。
但是你一定要找到一个方法去原谅我。
但是一定要小心对待这个特性。
不，他不一定长相很好，但是一定要干净整洁。
生命的赛跑 永远属于先行者，但是要记得，在你起跑之前一定要有明确的目标。
The race is given to the swift, but you must see the goal before you take off running.
孙凤仪说，“但是大陆游客为它着了迷，都说一定要亲眼看看。”
But visitors from China are enchanted by it. They say they have to see it.
好人值得奖励，但是奖励不是一定要用金钱来表达。
Good people deserve rewards, but a reward is not necessarily expressed in money.
但是我们一定要在这几天内确定是否能获得货源。
但是在美国文化中，客人并不一定要带礼物。
But in American culture, a guest is not obligated to bring a present.
但是，一定要保证此类日志仅限于个人记录。
但是，一定要听比说多。
但是明天，一定要记得把这个练习当成头等大事来做。
基本上可以这么说，当然了，你得练习你的任务，但是并不一定要从头练到尾。
Basically, what we say is, yes you do have to do the task, just not for the whole time.
但是如果你哪怕有一丁点儿的迟疑，一定要花时间好好想想。
But if you have even the slightest doubt, take the time to mull it over.
但是欧洲人更注重生命品质，一定要生机勃勃、健健康康。
For the Europeans, it's more live a good life, vital and healthy.
一定要注意，尽管这两个名称相同，但是它们的用途是不同的。
Recognize that even though these names are the same, their purposes are different.
但是，你们不必一定要去做那些大事。
但是，一定要将你的身体症状告诉你的医生。
But make sure to tell your health care provider about any physical symptoms.
但是一定要确认你的手是干净卫生的，毕竟这个地方是人的易感染区。
Make sure your hands are clean, though—the area is infection-prone.
但是如果你一定要偷，请偷去我的悲伤。
唉！我担心炮兵一定要落后，但是我相信他们不会落后得太久。
Alas, I fear the artillery must lag behind, but not I trust for long.
我一定要得到这个菜谱但是你知道吗？
电脑在工作和家庭中帮助我们，但是他们一定要被合理使用。
Computer help us at work and at home, but they must be used properly.
但是，我们一定要坚强，我仍然希望我们能够通过本赛季第一轮。
However, we have to be strong and I still wish that we can pass the first round this season.
m元素表示文本被“加上标志”，但是不一定要强调。
The m element indicates text that is "marked" somehow but not necessarily emphasized.
m元素表示文本被“加上标志”，但是不一定要强调。
The m element indicates text that is "marked" somehow but not necessarily emphasized.
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