1.(颤动舌头哄婴孩或催马的)啧啧声;(鸟,虫等)不断发出的唧唧声
1.发出啧啧声;唧唧地叫;〈俚〉(在戏院中替自己人)喝彩
2.啧啧地说出
1.to utter a series of chirps
2.to speak or say something in a high-pitched voice, and in a cheerful and lively fashion
3.to make a clucking sound with the lips, e.g. when encouraging a horse to move faster
1.a repeated series of chirping or clucking sounds