Walk-in closet 步入式衣橱
A "walk-in closet" refers to a woman who is beard or disquise for a gay man that has not come out.
“步入式衣橱”指充当未出柜的男同性恋的假恋人、帮他掩饰身份的女人。
Example:
Tad doesn't want his boss to know that he is gay, so Julie is totally being his walk-in closet.
泰德不想让老板知道他是同性恋，所以朱莉就成了他的“步入式衣橱”。