我正要出去，用不了多长时间。

I'm just going out—I won't be too long.

《牛津词典》

我要冲个澡，用不了多长时间。

I need a shower—I won't take long.

《牛津词典》

我要冲个澡，用不了多长时间。

I need a shower - I won't take long.

youdao

我要冲个澡，用不了多长时间。

I need a shower. It won't take long.

youdao

也许用不了多长时间。

Not for much longer, perhaps.

youdao

这事用不了多长时间。

This won't take long.

youdao

搬走所有的书应该用不了多长时间，因为给我们帮忙的人足够多。

Moving all the books should not take long, subject to there being enough helpers.

youdao

搬走所有的书应该用不了多长时间，因为给我们帮忙的人足够多。

Moving all the books should not take long, subject to there being enough helpers.

youdao