belt and braces
謹慎防范措施
口語·形容過度謹慎或雙重保障
英文釋義
Taking extra precautions or being overly cautious
例句
He wore both a belt and suspenders, truly a belt and braces approach.
典故來源
源自英國服飾習慣,同時使用腰帶和背帶固定褲子,比喻雙重保險的謹慎做法。