She made a commitment to stay, but no one knows for how long.

她做出了留下的承诺，但没人知道会持续多久。

金山词霸

Shortly afterward, he offered a quick apology and exited the room.

没过多久，他快速地道了个歉就离开了房间。

金山词霸

How frequently do you share your phone number with others?

你多久会把自己的电话号码分享给别人？

金山词霸

No matter how long they talk, the subject appears to remain unresolved.

无论他们讨论多久，这个话题似乎仍未得到解决。

金山词霸

It is difficult to predict how long it will run.

很难预测这会持续运行多久。

金山词霸

Before long, you will come across him.

过不了多久，你就会碰见他。

金山词霸

How long were you able to tolerate it?

你能够忍受多久？

金山词霸

How often do you return to the East?

你多久回一次东部？

金山词霸

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》

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》

The LCD will be much cheaper in the short run, I suppose.

我想, 要不了多久液晶荧幕就更加便宜了.

《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》