1.
The water was very deep and she could not see the bottom.
水非常地深，她见不到底。
2.
I often put my feet down, but could feel no bottom.
我不时地把脚往下伸直，但踩不到底。
3.
I often let my legs drop, and could feel no bottom.
我不时把腿沉下去，却总探不到底。
4.
"Huei-fang utterly refuses to come home!"
“四妹到底不肯来！
5.
But he wouldn't let me in.
可是到底他不给开。”
6.
TO CHEW OR NOT TO CHEW...
到底该不该吃口香糖？
7.
He couldn't stretch out his money to the end of the month.
他的钱花不到月底.
8.
Are you chicken or not?
你到底是不是胆小鬼？
9.
the boat grounded on the fine sand.
船底触到沙滩不动了。
10.
"So we can't co-operate after all!
“那么，到底不能合作！
11.
If it had been possible he would have cowered deeper into the bed.
他恨不得钻到床底下去。
12.
Is Making Sheep Double Trouble?
克隆羊，到底行不行？
13.
The attack, from its commencement to its termination, had not occupied an hour.
这场攻击，从头到底，还不到一个小时。
14.
`No, I give it up,' Alice replied: `that's the answer?'
“没有，我猜不出来，”爱丽丝回答，“谜底到底是什么呢？”
15.
He wasn't certain whether the men sided with him.
他拿不准弟兄们到底会不会向着他。
16.
dubious about agreeing to go;
迟疑不决到底同意还是不同意去；
17.
I could not quite put my finger on what was different about Simone.
我说不清西蒙到底有什么不同。
18.
She was not at all sure whether Wang, the maid, was reliable.
不知王妈到底可靠不可靠；