He was walking ahead towards the stream.
他大步向前走向小溪。
go ahead with sth. 继续(做)某事
go ahead 前进;(口语)干吧/用吧/去吧/请吧(表示对别人请求的允许)
look ahead 向前看
ahead of 在......之前,领先于
ahead of time/schedule 提前
Go ahead with your plan; we'll support you.
着手实施你的计划吧,我们会支持你的。
He is always ahead of us no matter what we do.
无论做什么,他总在我们前面。
完成句子
①新桥的修建将按计划进行。
The building of the new bridge will go_ahead_as_planned.
②那人走在我们前面,清理道路。
The man went_ahead_of_us to clear the course.
③往前看!那就是我们的学校。
Look_ahead!That's our school.
④--你介意我把你的讲座录下来吗?
--不会的,请便。
-Do you mind if I record your lecture?
-Not at all. Go_ahead.
考点2 harmful adj.有害的
[教材原句]
Air pollution will get worse and this will be harmful to people, for example, it can cause cancer.
空气污染将加剧,这将对人们有害,例如,它可以引发癌症。
It is harmful for you to make a hasty decision.
做出草率的决定对你是有害的。
(1)be harmful to 对......有害
(2)harm n.& v. 损害,伤害
mean no harm by doing sth. 做某事没有恶意