break (a bone) in a fall
孔乙己低声说道:『跌断,跌,跌……』
Kong Yiji murmured, “Break it, break it, break it…”
跌断腿
Break your leg in a fall.
— 双重赔偿 (1944)
如果摔下来会跌断全身骨头的
If you fall from there, you'll break every bone in your body.
— 阿玛柯德 (1973)
跌断腿打石膏
I broke my leg and had it put in a cast.