He has had time to cool down and look at what happened more objectively.

他有时间平静下来，并且更加客观地考虑发生的一切。

《柯林斯英汉双解大词典》

If you feel riled up, give yourself some time to cool down first before engaging further.

如果你觉得被激怒了，在你走得更远之前，先给自己一点时间冷静下来。

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It was happening every night, but the extra time taken to get the other flavors allowed the engine to cool down sufficiently to start.

它每晚都发生，但是买其他口味多用的额外时间允许发动机充分冷却以启动。

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That said, be aware of the fuzzy line between using your cool-down time at work for your startup and stealing time or resources from your employer.

FORBES: Should Startup Founders Keep Their Day Job?

"Referees, should they so wish, have the opportunity to conduct post-match media interviews, after 30 minutes' 'cool-down' time, to clarify any point of law, " said a spokesman for PGMO, the body responsible for top referees.

BBC: Ref Styles admits penalty mistake

Trying to conserve her energy, she barely qualified for the final ("Definitely a little bit of a scare, " she said.) She didn't have enough time for a proper cool-down, so as her U.S. teammate Ryan Lochte swam to a fourth-place finish in the men's 200-meter freestyle, Franklin swam slow, lonely laps by herself in the adjacent diving well, trying to lower her heart rate and ready for her main event.

WSJ: 2012 London Olympics: A Priceless Gold for Missy Franklin - Jason Gay