at first sight

on first seeing or meeting someone

第一眼；乍一看

it was &B{love at first sight}.

这是一见钟情。

catch (或get a) sight of

glimpse for a moment; suddenly notice

看到；突然注意到

when she caught sight of him she smiled.

她看到他时微微一笑。

in sight

visible

看得见的

no other vehicle was in sight.

看不见别的车辆。

in (或 within) sight of

so as to see or be seen from

以便看到，以便能被…看见

I climbed the hill and came in sight of the house.

我爬上山，看到了那座房子。

in (或 within) one's sights

visible, especially through the sights of one's gun

（尤指通过枪或炮的瞄准器）看得到的

lose sight of

be no longer able to see

再也看不见

not a pretty sight

(informal)not a pleasant spectacle or situation

(非正式)难看的东西；不好的情况

on(或at) sight

as soon as someone or something has been seen

一见（就）

in Africa, paramilitary game wardens shoot poachers on sight.

在非洲，准军事狩猎管理员一见到偷猎者就开枪。

out of sight

not visible

看不见了

she saw them off, waving until the car was out of sight.

她给他们送行，一直挥手到车子从目光中消失。

(亦作 outasight)[often as exclamation](informal)extremely good; excellent

(非正式)十全十美的；极好的

out of sight, out of mind

(proverb)you soon forget people or things that are no longer visible or present

(谚)眼不见，心不想

(get) out of my sight!

go away at once!

走开！滚开！

raise (或 lower) one's sights

become more (or less) ambitious; increase (or lower) one's expectations

越来越有（或没有）抱负；期望越来越高（或低）

set one's sights on

have as an ambition; hope strongly to achieve or reach

把…定为奋斗目标；极其渴望获得（或达到）

Katherine set her sights on university.

凯瑟琳极其渴望上大学。

a sight ——

(informal)used to indicate that something is so described to a considerable extent

(非正式)相当；非常

the old lady is a sight cleverer than Sarah.

老太太要比萨拉机灵得多。

he's a sight too full of himself.

他过于自信。