keel over phrasal verbphr v FALLto fall over sideways 翻倒，倾覆 Several soldiers keeled over in the hot sun. 几名士兵在烈日下晕倒了。
keel over• She'd been complaining of a headache all morning, and suddenly she just keeled over.• Carson keeled over and died in front of the nightclub after taking a number of illegal drugs.
→ keel over at keel2(1)