you should certainly be on your guard against thieves.be on

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 06:36:45

you should certainly be on your guard against thieves.be on your guard本身就是戒备防备的意思,
为什么还要用agains他也是,防备;预防的意思

you should certainly be on your guard 不能直接跟宾语.必须加against意思是防备
附against意义：介词 prep.
1.反对;违反
The fight against inflation has been going on for almost two years.
抑制通货膨胀的战斗已展开近两年了.2.逆;对着
They sounded a sharp warning against all these tendencies.
对于这种种倾向,他们发出了严厉的警告.3.倚;靠
His desk is against the wall.
他的办公桌靠墙放着.4.以...为背景
The little red house looks so beautiful against the green woods.
那座红色的小屋在翠绿的森林衬托下显得很美.5.防备;预防
We bought some warm clothes against the coming winter.
我们添置了一些御寒的衣服以迎接即将来临的冬季.6.不利于
She has said nothing against you.
她并没有说任何对你不利的话.

请翻译下这句话I want you to be on your guard and watch your step fr You should be on time tomorrow. your reference should be typed on your organisation’s letter “You prefer to be on your 1.Other items on your motherboard that you should be aware Don't be too d__ on your parents.You should learn to stand o “You price should be on CNF C1% DUBAI basis. 用in a way,pass on,guard against造句． be yourself and on your You should be on time for this meeting(改为同义词) You should()() You must certainly be happy just close your eyes,you'll be all right .On