croak

名词 croak:

1. a harsh hoarse utterance (as of a frog)
   同义词：croaking

动词 croak:

1. pass from physical life and lose all bodily attributes and functions necessary to sustain life
   同义词：die, decease, perish, go, exit, pass away, expire, pass, kick the bucket, cash in one's chips, buy the farm, conk, give-up the ghost, drop dead, pop off, choke, snuff it
2. utter a hoarse sound, like a raven
   同义词：cronk
3. make complaining remarks or noises under one's breath
   同义词：murmur, mutter, grumble, gnarl

1. He sat on the playground listening to the distant croak.
   他坐在操场上，聆听远处的蛙鸣。
2. A bullfrog was croaking in the distance.
   一只牛蛙在远处呱呱地叫。

croak

n.（名词）
A low, hoarse sound, as that characteristic of frogs and crows.
呱呱叫：一种低而嘶哑的声音，如蛙和鸦发出的叫声
v.（动词）
croaked,croak.ing,croaks
v.tr.（及物动词）
To utter in a low, hoarse sound.
低哑地说：用低而嘶哑的声音说
Slang To kill.
【俚语】 杀死
v.intr.（不及物动词）

To utter a low, hoarse sound.
发低哑声：发出低而嘶哑的声音
To speak with a low, hoarse voice.
低哑地说：用低而嘶哑的声音说话
To mutter discontentedly; grumble.
不满地嘀咕；发牢骚
Slang To die.
【俚语】 死去

来源：
From Middle English croken [to croak]
源自 中古英语 croken [呱呱地叫]
[probably of imitative origin]
[可能源于象声词]

【引伸】
croak.ily
adv.（副词）
croak.y
adj.（形容词）