Chattering
n. 颤振, 震颤；颤动
✅ 同义词
🗣️ 情景例句
Well, that must be him.
噢，一定是他。
Take it easy.
别紧张。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。