一生一世
yìshēng-yíshì
one's whole life; forever
Every meaning
yīshēng-yīshì
- one's whole life; forever
Its characters
- 一yīone
- 生shēngto give birth to; to bear
- 世shìworld; society (as in 世界)
Words with 一
Words with 生
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.