no harm, no foul
短语发音
AU
释义与例句
phr.
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1.
Although technically a breach of some code or law may have occurred, there was no actual damage meriting punishment, apology or retribution.
习语He parked in my space, but I was away at the time: no harm, no foul.
词源
From informal instances of sports, in which a foul is a formal violation of the rules.
来源:wiktionary