quavering

动词 quaver:

1. give off unsteady sounds, alternating in amplitude or frequency
   同义词：quaver, waver
2. sing or play with trills, alternating with the half note above or below
   同义词：warble, trill, quaver

形容词 quavering:

1. (of the voice) quivering as from weakness or fear
   同义词：tremulous

1. You could hear the quaver in her voice.
   她的声音中能听出有些颤抖。
2. The children quavered out their little song.
   孩子们颤悠悠地唱出了一支歌。
3. Quavers, crotchets and minims are three of the different lengths of note in written music.
   八分音符、四分音符和二分音符在乐谱上是不同长度的三个音符。