door
When no one answered the door, she peered through the window to see if anyone was there.没有人开门，她就费力地透过窗户朝里望去，看是否有人在。
I can't answer the door looking like this!
I was rather surprised when Sam's ex-girlfriend answered the door.
Joe, can you get the door please?

SMART Vocabulary: related words and phrases

Answering & responding
acknowledgment
affirmatively
answer
clap back
clapback
comeback
counter
counter with something
counterattack
field
I take/plead the Fifth (Amendment)idiom
keep (someone/something) away
non-respondent
non-responder
non-response
non-responsive
rejoin
respondent
response
thank you