She never stints on the food at her parties.

她举办聚会吃的东西从不小气。

He stints himself in sleep.

他节制睡眠。

This means piloting stints of some four to five days at a time.

这意味着每次飞行要限制在4到5天里。

She never stints herself of money to buy books for her children.

她从不吝惜掏钱让子女们买书。

She's also done stints as a wrestler and has some experience acting.

另外她做过一段时间的摔角选手，还有过当演员的经历。