1.look at 评判； 审视

Mari tilted her head back so that she could look at him.
玛丽把头向后仰，以便能看到他1yrW;u]^|3。

She called her young son: "Here, Stephen, come and look at this!
她喊她的小儿子：喂，斯蒂芬，过来看看这个!

2.collaborate with 合作；勾结

The government is urging Japan's firms to collaborate with foreigners.
政府正在督促日本的公司进行更多的海外合作v*RVSCpG)Z,-=。

Time and incidents had played along, had seemed to collaborate with me.
时间和各种事件均在顺利进行，仿佛是配合我似的,DGM|8P=v%bAYAB。

3.control group 控制栏，控制组

It'should be noted that the right-alignment of control and control group labels may compromise scanability.
这里应该注意，控件和控件组若采用右对齐可能会削弱使用者的浏览效果0~I3Sz!jCoSsug;Cq7n。

The control group only receied an injection of same amount of saline.
对照组腹腔注射等量的生理盐水NiIo%~D0O8!WDn。

4.back up 支持；策应；援助

Some food labelling practices really get my back up.
有些食物标签的贴法实在让我生气feu8-hqTsmV|RN]e。

The West must back up its verbal support with substantial economic aid.
西方国家必须以切实的经济援助来兑现他们的口头支持v*Brd5xmu2EN=Wi。