Her whole body quavered when she heard the sad news .

她听到那悲惨的消息后浑身颤抖。

She quavered an old folk song .

她以震颤声唱一首古老的民谣。

The children quavered out their little song .

孩子们颤悠悠地唱出了一支歌。

Her voice quavered a little .

她的声音有点颤抖。

He quavered forth a quaint old ditty .

他用颤抖的嗓音哼了一首稀奇古怪的古老小调。