1theatrical work (play, opera, TV series etc)
2dramatic (change, increase etc)
3acute
4severe
Examples
tā他zài在jù剧zhōng中yǎn演le了yí一gè个xiǎo小jué sè角色。
他在剧中演了一个小角色。
He played a minor part in the play.
我碰到一个对能剧感兴趣的美国人。
I met an American who was interested in Noh plays.
这是个剧药。
This medicine has a strong effect.