roach motel
短语词形变化
roach motels
复数
roach motels
释义与例句
n.
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1.
A low-priced motel in a state of disrepair.
贬义 -
2.
Something that is easy to enter, but is difficult or costly to leave.
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3.
A cockroach trap.
词源
The meaning "low-priced motel" is because such a place might be expected to be infested with roaches. The meaning "something easy to enter, difficult to leave" is from American roach-bait brand Roach Motel, advertised with the slogan "Roaches check in, but they don't check out!"
来源:wiktionary