Keep well back from the road.

　　離公路遠些。

　　Police had to erect barriers to keep crowds back.

　　警察只得設立路障來(lái)阻截人群。

　　Police had to erect barriers to keep crowds back.

　　警察得設立路障來(lái)阻截人群。

　　Why do they keep passing back to the goalie?

　　他們?yōu)槭裁纯偸前亚蚧貍鹘o守門(mén)員？

　　Neither of them is telling the whole truth. Invariably, they keep something back.

　　他倆誰(shuí)也沒(méi)把全部實(shí)情都說(shuō)出來(lái)。他們總是要隱瞞些什么。