grandmaster
🇺🇸
/ˌɡrændˈmæstər/
🇬🇧
/ˌɡrændˈmɑːstə(r)/
A person who is an expert in a particular field, especially chess, and has the highest rank.
The grandmaster made a series of brilliant moves that left his opponent in a difficult position.
這位大師做出了一系列精妙的走法,讓他的對手陷入了困境。