while

虽然他很有钱，但他从不炫耀。

___While he is very rich, he never shows off.

虽然外面很冷，但屋里很暖和。

___While it is cold outside, it is warm inside.

虽然我承认他在许多方面并不完美，但我实际上挺喜欢这个人。

___While I accept that he's not perfect in many respects, I do actually quite like the man.

我们偶尔会出去吃顿大餐。

We every once in a ___while go out for a nice meal.

她在会议上只是偶尔发言。

She only speaks up every once in a ___while during meetings.

我偶尔会犒劳自己去看场电影。

I every once in a ___while treat myself to a cinema trip.