renew
英 [rɪˈnjuː]   美 [rɪˈnuː]  
vt.
更新;重申;重新开始;中止后继续;使继续有效;延长…的期限;重复强调
第三人称单数： renews现在分词： renewing过去式： renewed过去分词： renewed

例句

We have to renew our efforts to attract young players.

我们只好重新开始努力吸引年轻队员。

to renew a licence/lease/subscription/contract, etc. 

延长执照的期限、续签租约、续订、续签合约等

The wiring in your house should be renewed every ten to fifteen years.

你家里的电线应该每十到十五年更新一次。