He realized instinctively that simply training harder would never be enough.

他本能地意识到，仅仅加强训练是远远不够的。

youdao

If you have already finished school, keep learning because what you have learned at school will never be enough to live a satisfying life.

如果你已经完成学业，请继续学习，因为你在学校学到的东西永远不足以让你过上满意的生活。

youdao

Sorry could never be enough.

光说声对不起是远远不够的。

youdao

There will never be enough medical staff - we need more surgeons and specialists.

BBC: Gaza hospitals under huge pressure

Sending out 5o or 5, 000 Google Engineers with cool cameras on their cars and bikes and snowmobiles will never be enough.

FORBES: Apple Not Buying Waze for iPhone5 But Google Should Buy It

"There'll never be enough geriatric psychiatrists or geriatric medicine specialists to take care of this huge wave of people that are aging, " Kirwin said.

MSN: Boomers will be in need of mental health care, report finds