形容詞
1. (不鬧; 聽話) well-behaved; lovely; good
be good and quiet
乖乖兒的
good son
乖兒子
There's a dear.
真是個乖孩子。
2. (伶俐; 機警) quick-witted; shrewd; alert; clever
clever and pleasant when speaking
嘴乖
become a little wiser
學乖了