at a loss

1confused puzzled without any idea迷惑不解;不知所措的

He was at a loss what to do.他不知所措。

A good salesman is mever at a loss for words.一个优秀的推销员总是不会词穷的。

2in a state of uncertainty犹豫不决

She is at a loss whether going out with them or staying at home alone.是同他们一道出去还是一个人留在家里,她拿不定主意。

3at a price lower than the original cost亏本的

He sold his house at a loss.他亏本出售他的房子。

It can only sell at a loss.这东西只能亏本出售。