他未能告知他还没收到那项工作的报酬。

He failed to mention that he hadn't been paid for the work.

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He failed to mention that he hadn't been paid for the work.

failed 是动词 fail 的过去式,fail 意思是"失败、未能做到"。 to 在这里是不定式符号,与动词原形 mention 构成不定式短语 to mention(提及、告知)。 failed to mention 表示"未能提及/告知",强调本应做到但实际没做到的情况。

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