1. Towards midday, a girl heard a muffled cry coming from behind one of the walls.
    近中午时，一个女孩听到从某堵墙后传来闷糊糊的叫喊声。

2. Towards midday, a girl heard a muffled cry coming from behind one of the walls.
    快到中午的时候，一个女售货员听见从一堵墙里传出一种闷声闷气的叫声。

3. She muffled her throat in a warm scarf not to catch a cold .
    她用一温暖的围巾围起脖子，以免感冒。