グランドマスターでしょう
gurandomasutādeshō
1. Grandmaster, likely.; Probably a grandmaster.
Noun
#1538989
1. Grandmaster, likely.; Probably a grandmaster.
1. grand; large
1. Grand Prix; grand prize
1. (sports) ground; (playing) field
1. England
1. grand
1. mustard
1. grand piano
1. home ground; home field
2. one's haunt; one's stamping ground