| 词组 | rat out or rat out on | 
| 释义 | rat out or rat out onv. phr.slang To desert; to leave at a critical time. 〖俚〗遗弃,背弃;关键时刻离开。◆ Joe ratted out on Sue when she was seven months pregnant.乔在苏怀孕7个月时遗弃了她。 | 
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