语出《易经・系辞下》:“君子藏器于身,待时而动。”比喻人平时应勤修学习,以待时机到来而一展长才。《梁书・卷二・武帝本纪中》:“若有确然乡党,独行州闾,肥遁丘园,不求闻达,藏器待时,未加收采。”
英语 wait for the right moment to demonstrate one's ability(store up something until it is wanted)