Kanji info: 恨み骨髄に徹する — 和英／英和辞典

恨

regret, bear a grudge, resentment, malice, hatred

On'yomi: コン (kon)

Kun'yomi: うら.む (ura.mu)、うら.めしい (ura.meshii)

Radical components: 忙艮

Stroke order

骨

skeleton, bone, remains, frame

On'yomi: コツ (kotsu)

Kun'yomi: ほね (hone)

Radical components: 冂冖月骨

Stroke order

髄

marrow, pith, essence

On'yomi: ズイ (zui)

Radical components: ノ一冖月込骨

Stroke order

徹

penetrate, clear, pierce, strike home, sit up (all night)

On'yomi: テツ (tetsu)

Radical components: 乞亠厶彳攵月

Stroke order