插口

插口	chā kǒu	socket (for an electric plug) / to interrupt (sb speaking) / to butt in
插	chā	to insert / stick in / pierce / to take part in / to interfere / to interpose
插	chā	old variant of 插
口	kǒu	mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls