vi.

1. 叫喊；吼叫（声）[（+at）]
   He yelled with pain.

   他痛得直叫。

2. （啦啦队等）齐声呐喊

vt.

1. 叫喊着说，大声嚷道[（+out）]
   She yelled a warning to us.

   她大声警告我们。

2. （啦啦队等）向……喊叫

n.

1. 叫喊；吼叫[C]
   I heard a yell inside.

   我听到里面一声喊叫。

2. 【美】（啦啦队等的）呐喊，欢呼[C]

n.

1. a loud, sharp cry, especially of pain, surprise, or delight.
   ▸N. Amer. an organized cheer, especially one used to support a sports team.
2. (a yell) Brit. informal, dated an amusing person or thing.

v.