insurein•sure /ɪn'ʃʊəʳ/

vt

1. 给…保险

• She insured her house against fire for 50 thousand yuan. 她给她的房子上了5万元的火险。

2. 保证；保障

• More care will insure you against making so many mistakes. 多注意就会保证你不犯这么多错误。