8.at first sight乍一看来
It promised to be a more difficult undertaking than might appear at first sight.那项任务可能比乍看之下还要困难。
9.at sight or on sight
(when seen)一看见就…
The car was so good that we bought it on sight.这车太棒了, 我们一看到就买下了。
(when presented)即期;见票即付
a bill payable at sight见票即付的汇票
10.to be in sight
(visible)看得见;在眼前
There was no one in sight.一个人也看不见。
(likely to happen)在即;在望
The end is in sight.很快就要结束了。