n. 呱呱叫声, 哇哇声

vi. 呱呱地叫, 发牢骚

vt. 用嘶哑的声音说

Croak \Croak\, v. t.
To utter in a low, hoarse voice; to announce by croaking; to
forebode; as, to croak disaster.

The raven himself is hoarse,
That croaks the fatal entrance of Duncan. --Shak.

Two ravens now began to croak
Their nuptial song. --Wordsworth.


Croak \Croak\, n.
The coarse, harsh sound uttered by a frog or a raven, or a
like sound.


Croak \Croak\ (kr[=o]k), v. i. [imp. & p. p. {Croaked}.
(kr[=o]kt); p. pr. & vb. n. {Croaking}.] [From the primitive
of AS. cracettan to croak as a raven; akin to G. kr[aum]chzen
to croak, and to E. creak, crake.]
1. To make a low, hoarse noise in the throat, as a frog, a
raven, or a crow; hence, to make any hoarse, dismal sound.

Loud thunder to its bottom shook the bog,
And the hoarse nation croaked. --Pope.

2. To complain; especially, to grumble; to forebode evil; to
utter complaints or forebodings habitually.

Marat . . . croaks with reasonableness. --Carlyle.