To cluck, as a hen.

(母鸡)咯咯地叫。

To make a sound like that of a hen, as in calling fowls or urging a horse.

作母鸡咯咯声(如唤鸡或唤马时所作之声)。

To laugh in a quiet, suppressed manner.

(低声轻轻)咯咯地笑；莞尔而笑。

The cluck of a hen.

(母鸡的)咯咯声。

A quiet, suppressed laugh.

轻笑；低声咯咯而笑。