better at后面加什么

　　Better at the tasks at hand? Happier?

　　更擅长手头的工作?更快乐?

　　Being better at those things meant a greater chance of survival ．

　　更擅长做那些事情能增加生存的'几率。

　　Eyesight doesn't get any better at my time of life.

　　到我这把年纪，视力绝不会变好的。