guts, willpower, spirit, grit / one's nature, one's disposition

(idiomatic) to reform oneself

a married woman

a surname

尿: urine / 繞: Chinese character radical that covers the left and bottom of a Chinese character

手錠: handcuffs

連声: a morphological change of an initial syllable of the second kanji under the influence of the historical coda of the first kanji in a word

二乗: squaring

二条:

二乗: square