你进来之前请敲门。英文翻译是什么

please [ ] [ ] the door before you come in.

中文:你进来之前请敲门。
英文:Please knock at the door before entering.
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第1个回答  2014-01-09
应该是knock on
第2个回答  2014-01-09
knock at 或者 knock on
第3个回答  2014-01-10
Knock on the door before you get into the room.本回答被提问者采纳
第4个回答  2014-01-09
please knock at the door before you come in