vi.

1. （小鳥）發啁啾聲；（昆蟲）發唧唧聲[（+away）]
   Birds had begun to chirp and twitter among the trees.

   鳥兒開始在樹叢中啁啾鳴囀。

2. 嘁嘁喳喳地說話
3. 咂嘴打招呼

vt.

1. 尖聲尖氣地說（或唱）[（+out）]
2. 咂嘴向……打招呼

n.[C]

1. 啁啾聲；唧唧聲
   She heard nothing but the chirps and whirrs of insects.

   除了蟲的鳴叫聲外，她什麼也沒聽見。

2. 嘎吱聲

v.

1. (of a small bird or a grasshopper) utter a short, sharp, high-pitched sound.
2. say something in a lively and cheerful way.

n.