Miyamoto Musashi is known as a master of the two-sword style.
liking both alcohol and sweets; person who likes both
Figurative extension: someone who enjoys two seemingly opposite things, especially alcohol and sweets. Often used humorously.
彼は酒も甘いものも大好きな二刀流だ。
He's a 'dual wielder' who loves both alcohol and sweets.
Colloquial, figurative use: being attracted to both men and women. Can be playful or slangy.
彼女は二刀流だって噂だよ。
Rumor has it she swings both ways.
two-way player (baseball)
Baseball term: a player who excels as both a pitcher and a position player. Famously used for Shohei Ohtani.
大谷翔平はメジャーリーグで二刀流として活躍している。
Shohei Ohtani is thriving in the major leagues as a two-way player.