commissionaire

noun

1. （旅馆等门口为来宾开门、叫出租车等的）穿制服的看门人，门童
   a person in uniform whose job is to stand at the entrance to a hotel, etc. and open the door for visitors, find them taxis, etc.

1. The commissionaire opened the taxi door and slammed it shut after me.
   看门人打开出租车的门，等我坐进去之后再把门使劲关上。

noun

1. a uniformed doorman