抽插

抽插	chōu chā	to slide in and out / thrusting
抽	chōu	to draw out; to pull out from in between / to remove part of the whole / to inhale (esp. smoke) / (of fabric etc) to shrink / (of certain plants) to sprout; to bud / to whip; to thrash / classifier for sheets (of tissues, wet wipes etc)
插	chā	to insert / stick in / pierce / to take part in / to interfere / to interpose
插	chā	old variant of 插