security guard 保安
doorman 门童
watchman 看门人
entrance guard 入口守卫
1. The door guard checked all visitors' IDs.
门卫检查了所有访客的身份证件。
2. We hired a door guard to improve security.
我们雇了一名门卫来加强安保。
3. The door guard is stationed at the main entrance.
门卫驻守在大门口。
A: Is there a door guard at the lobby?
A：大厅里有门卫吗？
B: Yes, he is standing right by the elevator.
B：有的，他正站在电梯旁边。
1) 门卫
2) 守门人
3) 入口安保人员
1. 门卫；守门人
e.g.
The door guard prevented the stranger from entering.
门卫阻止了陌生人进入。
noun
1. A person who stands at a door to control who enters or leaves.
Synonym: security guard, doorman