Definition
To be unwilling or unable to offer any explanation, defense, or opinion.
不愿意参与对话或表达意见
When asked why he was late, he had nothing to say for himself.
当被问到为什么迟到时，他无言以对。
After making the mistake, she had nothing to say for herself when faced with the blame.
在犯错之后，面对责备时她无言以对。
When his errors in the report were pointed out, he had nothing to say for himself.
当报告中的错误被指出时，他无言以对。