n a particularly difficult or baffling question or problem
中文释义
n. 砍伐树桩的人, 难题, (美)树桩演说家, 竞选演说者, 板球三柱门守球员
详细用法及例句
1.
It was actually called hop picker fatigue and was once believed to be really really dangerous to people, because it would send you into the stumper.
