lifeline noun
1 rope
VERB + LIFELINE throw sb | catch, cling to He clung to the lifeline and the woman pulled him towards the bank.
2 important help
ADJ. real, vital Visits from loved ones are a vital lifeline for prisoners. | financial The state pension is their financial lifeline.
VERB + LIFELINE give sb, hold out, offer (sb), provide (sb with), throw sb (out) The organization provides a real lifeline for many women in poverty. He threw me a lifeline when he offered me a job. | have With this one unexpected victory, the club now has a lifeline.
You can also check other dicts: lifeline (English, 中文解释 ), wordnet sense, Collins Definition