Underinflated tires take more energy to push down the road so check your tire pressure often.

充气不足的的轮胎在路上会消耗更多的能量，所以你需要经常检查一下轮胎压力。

youdao

Ignoring this call to action makes no more sense than driving your car around with underinflated tires and a trunk full of rocks.

忽视这一需求是非常不明智的，就像是开着轮胎没气的满载的车到处跑。

youdao

But he knew a lot about tires (and lectured me because my spare was underinflated).

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