fall out of: 飛離,放棄
If you fall out of that tree and break you leg , dont come running to me.
如果你從樹上掉下來摔斷了腿,別跟我這哭哭啼啼的。
I fell out of my old habit.
我放棄了我的老習(xí)慣
run into: 偶遇
But at that size the ships run into problems.
但這樣大的船將會(huì)遇到許多問題。
I unexpectedly ran into him on the street yesterday evening.
昨天晚上我在街上偶然碰見了他。
adj. 流行的,大眾的,通俗的,受歡迎的