瞬息

瞬息	shùn xī	in a flash / twinkling / ephemeral
瞬	shùn	to wink
息	xī	(bound form) breath / (bound form) to cease; to stop / (bound form) to rest / (bound form) news / (bound form) interest (on money) / (bound form) to grow; to multiply / (literary) one's child / Taiwan pr. [xi2]