one-horse town 乡村小镇；规模很小的乡镇； 简朴小镇

【例句】
This was a one-horse town, a beautiful quiet place.
这里以前是个乡村小镇，宁静而又景色秀丽。

That experience, never fun, is far less wrenching in a city than in a one-horse town.
这种经历尽管从来都不是乐趣，但在城市，它所带来的痛苦比偏僻的小镇要少得多。