Your car has flat tires.

你的车子轮胎破了。

youdao

Flat tires were my biggest problem.

瘪胎是最头疼的问题。

youdao

Now the ground was so hard that it gave his car flat tires in the summer.

后来，一到夏天，院子里那奇硬无比的地面就老是硌破杰克的汽车胎。

youdao

Flat tires are common on trips like this, but so are bigger mechanical problems.

BBC: To Montreal, with Google as a guide

Run-flat tires have also added performance capabilities.

CNN: Fat and fast: High-performance gets big

While the band had a number of shows lined up in bigger cities, many of its performances weren't planned in advance, a decision Nebeker attributes to the uncertainties surrounding traveling by bike like flat tires and getting lost.

NPR: Hugging Highway 1: Blind Pilot's Bicycle Tours