Only occasionally, when I was driving my car, or when I was in Hanna's apartment, did thoughts of it get the upper hand and trigger memories.

仅在我偶尔驾车时，或我在汉娜的公寓时，这种思想才占了上风，触发了回忆。

youdao

I'm a teetotaler, but I began to smoke at the age of 30. At first I did it only occasionally, but later I became addicted to it.

我不喝酒，但从30岁那年开始抽烟，先是偶尔为之，后来上了瘾。

youdao

Amid the swirl of rumour, news of real shifts occasionally wafts out, as it did on March 27th, when King Abdullah appointed his half-brother, Prince Nayef, as his second deputy prime minister.

就像3月27日国王阿卜杜拉任命其同父异母兄弟纳耶夫王子为第二副首相的时候一样，关于王位的更迭，虽然谣言四起，但宫内偶尔也能传出真实的消息。

youdao

It was a place where I occasionally did my Christmas shopping.

WSJ: Back on the Crime Beat

The sordidness of the sport is undeniable yet somehow nobility occasionally breaks through, as it did in the savage beating Braddock suffered when he lost his title to Joe Louis.

ECONOMIST: Professional boxing