拟声词，模仿鸟叫的声音。

1. The birds chirp merrily at the top of tree.

鸟儿在枝头欢快地啾啾鸣唱.

2. Now it is clearing up, and a sparrow is beginning to chirp.

现在天就要晴了, 一只麻雀已开始喳喳地叫.

3. Birds had begun to chirp and twitter among the trees.

鸟儿开始在树丛中啁啾鸣啭.

4. Finch had regular flying, and closed to chirp to a person.

有鸟雀常飞来飞去, 叽叽喳喳着于人亲近.

5. Only male cicadas chirp in late summer, and early autumn.

只有雄性的寒蝉在夏末秋初时鸣叫.