cluck
verb uk/klʌk/ us/klʌk/
[ I ]（鸡）咯咯叫
to make the low, interrupted noise that a chicken makes
[ I or T ] informal咂舌，发出啧啧声（表示不赞成等情绪）
to express disapproval or other emotion by making a short, sharp sound with your tongue
to cluck in disapproval/amazement 发出不满的／惊异的啧啧声
She shakes her head, smiles, and clucks her tongue. 她摇摇头，笑了笑，咂咂舌。
[ I ] informal大惊小怪
to express an unnecessary amount of sympathy, worry, or approval towards someone
The attendants clucked and fussed over passengers. 乘务员对乘客咋咋呼呼、大惊小怪。