Meeting this second test may be tougher.

要能应付后者的考验可能较难。

youdao

Online donors also tend to be tougher to retain.

网络捐款者也趋向于更难保留。

youdao

It's like a competition to see who can be tougher.

这就像是一个比赛，看谁更剽悍。

youdao

The job would be tougher in fragile wetlands, like in Key Largo.

VOA: standard.2010.07.05

Highlights of the reform package include tougher regulations of financial derivatives and securities, along with a $50-billion bailout fund, to be paid for by banks.

VOA: standard.2010.04.19

Still, the odds of making it in cleantech might be tougher than other areas of tech.

FORBES: Seeing Green In Cleantech

With Preet Bharara now standing behind him, that kind of mud might be tougher to sling.

FORBES: Carl Shapiro Could Still Go To Jail Over Madoff Ponzi

Status Seekers and Price Conscious Buyers may be tougher to conquer, at least at first.

FORBES: 2012 CODA Sedan -- Changing Perceptions Of All-Electric