手拍子 てびょうし
te byōshi

Noun
Suru Verb

1. beating time with one's hands; clapping to the beat

聴衆 ちょうしゅう音楽 おんがく わせて 拍子 ひょうし った。
chōshūwa ongakuni awasete tebyōshio utta.
The audience kept time to the music.
Noun

2. making a careless move (in go, shogi, etc.); responding to an opponent's move without proper thought