the reserved talented people; things which may be needed any time like household medicine chest ? 君正吾~,不可一日無(wú)也。(《新唐書·元行沖傳》) You’re one of the reserved talented people of mine.I can’t live without you for a single day.
藥籠中物yào lónɡ zhōnɡ wù
比喻儲(chǔ)備的人才。talents in reserve, capable people in reserve