croak  
 verb uk/krəʊk/ us/kroʊk/
  (MAKE SOUND)       
  [ I or T ](蛙、乌鸦等)发出低沉沙哑的叫声,呱呱地叫 
When animals such as frogs and crows croak, they make deep rough sounds.
  (因喉咙疼或干哑而)发出沙哑的声音,用沙哑的声音说出
If you croak, you speak with a rough voice because you have a sore or dry throat.
   (DIE)     
 [ I ] slang死,咽气 
to die
 croak      
noun [ C ] uk/krəʊk/ us/kroʊk/
 (人或动物发出的)低沉而嘶哑的声音
a deep, rough sound made by a person or animal