quaver
/ˈkweɪvə(r); `kwevɚ/ v
1 [I] (of a voice or a musical sound) shake; tremble （指嗓音或乐音）颤抖
in a quavering voice 以颤抖的嗓音
Her top notes quavered a little. 她唱的高音有些颤.
2 [Tn, Tn.p] ~ sth (out) say or sing sth in a trembling voice （以颤抖的声音）说出, 唱出
The children quavered out their little song. 孩子们颤悠悠地唱出了一支歌. quaver, n
1 (usu sing 通常作单数) trembling sound 颤抖的声音
You could hear the quaver in her voice. 她的声音中能听出有些颤抖.
2 (US eighth note) note in music that lasts half as long as a crotchet 八分音符. =>illus at music 见music插图.