refine / train / tempering / drill / polish

The name of the Latin-script letter X.

The katakana syllable ブ (bu). Its equivalent in hiragana is ぶ (bu).

clever, discerning, wise

clothes; wrap; put on

X-ray (short wavelength electromagnetic radiation) / X-ray (photograph made with X-rays)

Alternative form of X線

折: a break in something; a broken piece

俺, 己: I, me / 爾, 儞: you

俺達, 俺たち: (informal) we; us