At worst, you'll have to pay a fine, but you won't lose your license.最坏的结果是，你得交罚款，但是不会被吊销驾照。

He hoped that at worst he would suffer only a minor loss in the investment.他希望即使在最坏的情况下，自己在投资方面也只是有小损失。

At best the government is incompetent, and at worst, it is totally corrupt.往好处说，是政府无能；往坏处说，整个儿就是腐败。