I enjoyed playing the violin very much, and I didn't mind practicing, sometimes three or four hours a day.

我非常喜欢拉小提琴，我不介意练习，有时一天练三四个小时。

youdao

I lost almost every game I played, and I didn't mind.

尽管我几乎输掉了我所参加的每场比赛，可我并不在乎。

youdao

My father didn't mind whom I married, so long as I could stand on my own two feet and wasn't dependent on my husband.

我父亲并不介意我跟谁结婚，只要我能够自立、不靠丈夫就行。

《柯林斯英汉双解大词典》

But, as I mentioned, I was suffering from jet lag, so I didn't mind, and also because one must bow before the traffic gods.

WSJ: Getting There in L.A.