在…之後
behind靜態。
after常與動詞連用，動態追逐。

there is a tree behind the house.
she is standing behind the door.

落後
behind schedule 比預定時間落後。
on schedule 按預定時間。
ahead of schedule 比預定時間提前。

he always finishes his work behind schedule.
we‘ll try to keep everything running on schedule.
the train arrived ahead of schedule.

動詞連用，進入……

走進教室，walk into the classroom.
跑進房間，run into the room.
與某人巧遇，run into + 人

轉變成……
change/ transform/ turn a into b.將a轉變成b。
translate a into b.將a翻譯成b。

the witch transformed herself into a little girl.
our homework today is to translate a chinese article into english.

be動詞連用，熱衷於…
be into…

he is into

在…之內 空間/時間=in

within the country = in the country.
within an hour = in an hour.

在…範圍內

act within the law.

沒有/無…

coffee without sugar 無糖咖啡。
without his help.

其他相關。
can do without…沒有…也行
cannot do without…沒有…就不行
it goes without saying that…不用說，…

I can do without money, but I can‘t do without