He was at loss for a word.

他找不到恰当的字眼.

《现代汉英综合大词典》

Monroe describes several experiences where he felt at loss and afraid.

门罗描述了他感到失落和害怕的一些经验.

互联网

We are at loss in regard to this awkward situation.

现在的情势有些不尴不尬,大家都很茫然.

互联网

Competitor selling at loss for impress your buyer.

同行不惜血本销售,以赢得客户.

互联网

Suddenly, loses inspiration, flurried and be at loss.

顿时失去了灵感, 慌张而不知所措.

互联网

At a time when shamelessness , we are often at loss as to who can be trusted.

在恬不知耻之风盛行之际, 我们常为谁堪信任感到困惑.

互联网