1.walk off 离开；走开

So they walk off together.
于是两人一道走了。

The couple walk off, leaving the rose behind.
小情侣随即把玫瑰仍在身后，走开了。

2.think of 考虑；想起

Why didn't anybody think of that before?
为何之前没有人想到这一点？

Do you think of me sometimes?
你会偶尔想起我么？