cluck

cluck
/klʌk; klʌk/ n
noise that a hen makes, eg when calling her chicks （母鸡的）咯咯叫声（如呼唤小鸡时）. cluck, v
1 [I] make a cluck 发出咯咯声.
2 [I, Tn] (of people) express (disapproval, etc) by making a similar noise （指人）发出表示不同意等的声音.

牛津英汉双解词典