出典:Wiktionary
出典:『Wiktionary』 (2026/07/27 06:33 UTC 版)
Since low-cost motels are frequently associated with substandard conditions, including potential problems such as cockroach infestations. The phrase describing a situation as “easy to enter, but is difficult or costly to leave” originates from the American cockroach bait product known as Roach Motel, which was marketed using the slogan, “Roaches check in, but they don’t check out.”
roach motel (plural roach motels)