be on the doorAPTBOto work at the entrance to a theatre, club etc, collecting tickets 在〔剧院、俱乐部等〕门口把门[收票]be on the door• One of his hands was on the door, the other extended to her.• The jury was told that Mr Johnson was on the door when the four arrived at his party at about three am.• Her name was on the door in a little metal card holder.• Now the millworkers craned their necks to read what was on the doors.
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