I'm sorry I said that. It just slipped out.

抱歉，我说了这样的话，这不过是无意中说出口的。

《牛津词典》

"It just slipped through from my bald head and it was a great feeling," Sneijder said.

“我的光头只是顺势一蹭，那感觉非常美妙”，斯奈德说。

youdao

I'm sorry I didn't make to your party. It just slipped my mind as I had too much work to do.

很抱歉我没能去成你的派对。有太多的事儿要做，我给忘记了。

youdao

Two planes slipped off it in rainy weather just a day earlier.

NPR: Nearly 200 Feared Dead in Brazil Air Crash

If it ended up that way, it would certainly feel familiar: England found itself in the same position just two years ago when the Grand Slam slipped away on the final day against Ireland and it managed to claim the Six Nations title after Wales lost in Paris.

WSJ: England Side Living Dangerously