There's no telling how long the talks could drag on.

谁也说不准谈判还会拖多久。

柯林斯例句

It is an open question how long that commitment can last.

这一承诺能维持多久还不确定。

柯林斯例句

How long he'll be able to do so is a moot point.

不知道他还能这样做多久。

柯林斯例句

"How long have you lived here?" — "Twenty odd years."

“你在这里住多久了？”——“20多年了。”

柯林斯例句

How long is the tunnel?

隧道有多长？

柯林斯例句

How long did you stick it for?

你坚持了多久？

柯林斯例句

How long would the roof hold?

房顶能支撑多久？

柯林斯例句

How long have you been unemployed?

你失业多久了？

《牛津高阶英汉双解词典》

How long has that house been up for sale?

那房子提出变卖已多久了?

《简明英汉词典》

How long should a murderer be kept in prison?

犯了谋杀罪的人应在监狱关多少年?

《简明英汉词典》

She asked the nurse how long her agony must last.

她问护士,她的极端痛苦要延续多久.

《简明英汉词典》

How long have you been working at the bank?

你在银行里工作多久了?

《简明英汉词典》

How long have you been working for this firm?

你为这家公司效力多久了?

《简明英汉词典》

How long should the engine warm up before we start?

我们出发前,引擎需要预热多久?

《简明英汉词典》

How long ago is it that you last saw her?

你上次看见她是多久以前?

《简明英汉词典》