They couldn`t, how could they even have wanted to, and faced with the other defendants, visibly older, more worn out, more cowardly and bitter, they had no such impulse.

他们不可能，他们怎么能想那么做，面对着其他被告，明显上了年纪，更加老朽，更加胆怯和痛苦，他们没有如此冲动。

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But when you are young, you are such an enthusiast you can't resist your impulse.

WSJ: Will Lyons on Wine: A Golden Inheritance

Don't buy on impulse, when you're buoyed by tropical cocktails and beautiful sunsets.

FORBES: Magazine Article

And if the person doesn't resist that impulse, you have to have some form of legal authority to make sure that they're not infectious during their travel back to the United States.

NPR: Man Eluded Attempts to Control Deadly TB Strain