not hurt a fly
無法傷害一只蒼蠅
形容性格極其溫和善良
英文釋義
to be very gentle or nonviolent, not capable of harming anyone or anything
例句
Despite his tough appearance, he wouldn't hurt a fly and is actually very kind.
典故來源
源自16世紀英國諺語,用“連蒼蠅都不傷害”比喻人極其溫和無害。