vi.

1. 發出長而尖的叫聲
2. 【俚】告密；洩密[（+on）]
   He squealed on his mates.

   他告發了他的伙伴。

vt.

1. 用長而尖的聲音說；用長而尖的聲音發出

n.

1. 尖叫聲[C]
   The children gave a squeal of fright.

   孩子們發出驚嚇的尖叫聲。

n.

v.

1. make a squeal.
   ▸say something in a high-pitched, excited tone.
2. complain.
3. informal inform on someone.