下衆の勘繰り
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Meanings
1
petty-minded suspicion; deliberately bad interpretation
Refers to the act of interpreting someone's actions in the worst possible light, driven by a mean-spirited or suspicious mindset. Often used in the phrase 下衆の勘繰りもいいところだ (that's a really nasty way to look at it).
Even though he was late because of a train delay, his boss, with petty-minded suspicion, thought he was slacking off.
Stop that nasty suspicion and just accept people's kindness for what it is.