at a loss for words

前置詞句

慣用表現

(idiomatic) Having nothing to say; stunned to the point of speechlessness.

日本語の意味

言葉が出ない状態：何も言えず、完全に驚いたり、困惑してしまっている状態 / 言葉を失ってしまう：どう表現すればよいかわからない状況

When my mentor praised my work in front of everyone, I was completely at a loss for words.

指導教員が皆の前で私の仕事を褒めたとき、私は言葉に詰まってしまった。

意味（1）

(idiomatic) Having nothing to say; stunned to the point of speechlessness.

She was at a loss for words when she saw the number of people who had come to grieve for her husband.