掐表

掐表	qiā biǎo	to use a stopwatch
掐	qiā	to pick (flowers) / to pinch / to nip / to pinch off / to clutch / (slang) to fight
表	biǎo	exterior surface / family relationship via females / to show (one's opinion) / a model / a table (listing information) / a form / a meter (measuring sth)
表	biǎo	watch (timepiece) / meter; gauge