vt.

1. 使窒息，闷住；闷死
   The heavy smoke stifled the firemen.

   浓烟使消防队员窒息。

2. 扼杀；抑止，阻止
   She tried hard to stifle her laughter.

   她强忍住笑。

3. 藏匿，掩盖

vi.

1. 窒息，受闷；被闷死
   I'm stifling in this hot room.

   我在这么热的房间里要闷死了。

2. 被扼杀；受抑止，受阻止

n.

1. （马等的）后膝关节
2. （马等的）后膝关节病，后膝骨病

v.

1. prevent from breathing freely; suffocate.
2. smother or suppress:
   she stifled a giggle.
   ▸prevent or constrain (an activity or idea).

n.