1.
I was floored by his argument and had to admit defeat.
我辩不过他，不得不认输。
2.
In the end I had to speak straight from the shoulder.
最后，我不得不把话说得毫不含糊。
3.
They have had to make unpopular decisions.
他们曾不得不做些不得人心的决定。
4.
I've got to hand it to you, you really did a good job.
我不得不称赞你，你做得真不错!
5.
I feel obliged to say I don't believe him.
我觉得我不得不说我不信任他。
6.
Analysis of Usages of “Buyoude” and “Budebu”;
“不由得”和“不得不”的用法考察
7.
"To listen without attention is not sharp, then mishearing appears; to look without intention is not clear, then misjudgment appears; to consider without appropriateness is not clever, then misunderstanding appears"
听不审不聪,不审不聪则缪;视不察不明,不察不明则过;虑不得不知,不得不知则昏
8.
I had to water it every day.
我不得不每天浇水。
9.
I was forced to disbelieve him.
我不得不对他产生怀疑。
10.
bitter pill to swallow
1. 不得不忍受的苦事
11.
They had to ease the speed of their boat.
他们不得不减低船速。
12.
They had to hide in the mountains
他们不得不躲进深山。
13.
He has to go to hospital.
他不得不进医院了。
14.
He had to be given a prompt.
他不得不要人提词。
15.
The bridge was washed away and we have to wade the stream
桥被冲走了,我们不得不
16.
We would have to gamble.
我们不得不孤注一掷了。
17.
Oh, no! I feel sick.
不，我觉得不舒服。
18.
not deserved or earned.
不应得的或不应赢得的。