Knu
abbr. knuckle 關節，鉤爪
??? 情景例句
You are in great shape, Richard.
你的身體狀況好極了， Richard。
Doctors and lawyers are professional people.
醫生和律師是專業人員。
then up into the wave, then forward with it and then
然后推上波浪，隨著波浪移動，然后