- 通风口 tōngfēngkǒu air ventair vent; opening for ventilation
- 风口浪尖 fēngkǒulàngjiān where the wind and waves are fiercestThe place on the water where the wind and waves are most intense
- 入风口 rùfēngkǒu air intake vent
- 出风口 chūfēngkǒu air ventair vent; air outlet
- 排风口 páifēngkǒu exhaust venta hole or opening used for letting out air or smoke