Common Meanings
1
xiǔ朽
To decay, rot, or to perish/be forgotten. Commonly used in phrases like '腐朽' (to decay/corrupt), '朽木' (rotten wood), or metaphorically in '永垂不朽' (to be immortal/never forgotten).
他虽然离开了，但他的善举将永垂不朽。
Although he has departed, his good deeds will be immortal.
To become old and frail; to decay or decline due to age.
时光荏苒，爷爷的身体也渐渐衰朽了。
Time flies, and Grandpa's body has gradually become frail.