我们能力有限，需要更多人一起帮助。

Wǒmen nénglì yǒuxiàn, xūyào gèng duō rén yìqǐ bāngzhù.

Our abilities are limited, we need more people to help.

他的对话能力不错。

Tāde duìhuà nénglì búcuò.

He has good conversation skills.

我相信你绝对有能力解决这问题。

Wǒ xiāngxìn nǐ juéduì yǒu nénglì jiějué zhè wèntí.

I believe you definitely have the ability to solve this problem.