master

US /ˈmæstɚ/

UK /'mɑ:stə(r)/

A2 sơ cấp
v.t.ngoại động từlàm chủ; điều khiển
I still haven’t been able to master my racing bike. It’s quite difficult to ride
adj.tính từ tinh thông
He has spent years learning this skill and he is now a master clock maker
n.danh từ bậc thầy
He is a master at doing barbecues after doing it for many years
n.danh từ thạc sĩ
She has a Master of Fine Arts
adj.tính từ chủ yếu
The master switch is located on the wall
n.danh từthầy giáo
The master teaches his students well
v.t.ngoại động từnắm vững 
I will master riding a bicycle this summer
n.danh từchủ nhân
The dog loved his master more than anything in the world