"at a loss" in Chinese (Simplified)
不知所措茫然
Definition
因为情形突发或困难，而不知道该做什么或说什么。
Usage Notes (Chinese (Simplified))
常用于口语和书面语，表示心理或情感上的困惑，通常搭配'be'动词：'I'm at a loss'。'at a loss for words'也常用。不同于丢失物品。
Examples
She was at a loss when she lost her keys.
她丢了钥匙时感到**不知所措**。
I'm at a loss for words.
我**说不出话来**。
The question was so difficult that he was at a loss.
问题太难了，他感到**茫然**。
"I'm really at a loss here—what should we do next?"
“我现在真的**不知所措**——接下来怎么办？”
He looked at a loss after hearing the unexpected news.
听到这个意外消息后，他看起来**茫然**。
Whenever the printer breaks, I'm at a loss until IT helps out.
每次打印机坏了，我都**不知所措**，直到IT来帮忙。