生命线

Traditional (Taiwan): 生命線

shēngmìngxiàn ㄕㄥ ㄇㄧㄥˋ ㄒㄧㄢˋ

    • lifeline

Character by character

Classifiers (measure words)

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
lifeline
Meaning
Something essential to survival and development.

Sources