在門口的用法和樣例：
例句
-
招待員站在門口分發節目單。
The usher stood at the door giving out programs. -
在門口的究竟是誰呢？
Whoever can that be at the door? -
進屋前先在門口擦鞋墊上擦一擦鞋子。
Scrape your shoes on the door mat before you come in. -
貓在門口哀叫著想出去。
The cat whined at the door, asking to be let out. -
她站在門口，拿不定主意是否進去。
She stood in the doorway, unable to decide whether to go in.
