小孩儿接过罚单，趁骑警还没离开时，说：“顺便问一句，你的马也不错哟。”

The kid takes the ticket and before he rides off says, "By the way, that's a nice horse you got there."

youdao

邓布利多显然看明白了，他把表放回衣袋，说：“海格肯定迟到了。 顺便问一句，我想，大概是他告诉您我要到这里来的吧？”

I suppose it was he who told you I'd be here, by the way?

youdao

顺便问一下，你说英语吗？

By the way, do you speak English?

youdao

By the way, when I say there's 10 Newtons acting this way, you might say, "What about gravity? What about the table?"

顺便提一下我说有 10 牛的作用力,你也许会问,"那重力呢,桌子对它的力呢"

耶鲁公开课 - 基础物理课程节选