终身 (zhōng shēn): ตลอดชีพ

Learning is a lifelong matter; only through lifelong learning can one continuously improve.

He became permanently disabled due to that accident, but still faces life optimistically.

Marriage is a lifelong major event; one cannot make a hasty decision.

This company provides employees with opportunities for lifelong training.

He devoted his entire life to scientific research and achieved great accomplishments.