v.t.及物動詞掌握(某物)I still haven’t been able to master my racing bike. It’s quite difficult to ride
adj.形容詞主人He has spent years learning this skill and he is now a master clock maker
n.名詞大師;專家He is a master at doing barbecues after doing it for many years
n.名詞碩士學位She has a Master of Fine Arts
adj.形容詞主要的;最重要的The master switch is located on the wall
n.名詞男老師The master teaches his students well
v.t.及物動詞精通I will master riding a bicycle this summer
n.名詞業主The dog loved his master more than anything in the world