zhè / tiáo / ān quán shéng / guān jiàn shí kè / néng / bǎo mìng / qiān wàn / bié / xián / tā / ài shì

这条安全绳关键时刻能保命，千万别嫌它碍事。

This safety rope could save your life at a critical moment, so do not dismiss it as a nuisance.