at the sight of 和at sight of 的区别如下：
1、释义不同。
at the sight of一看见……就……
at sight of在看得见……之处
2、表示状态不同
at the sight of 会带有动作
at sight of 指所处状态
3、语法不同。
at the sight of+n.（名词）
at sight of+v.（动词）
例句：
1、at the sight of
My heart leaped at the sight of her.我见到她时心都要跳出来了。
My eyes popped at the sight of the rich variety of food on show.看到展示的花样繁多的食品，我的眼睛都瞪圆了。
He felt faint at the sight of blood.他一见到血就发晕了。
here are places you can take physically handicapped children where staff don't blanch at the sight of a wheelchair.
有些地方你能带残疾儿童去，那里的工作人员不会一看到轮椅就退缩。
At the sight of her appearance on the stage, the hall rang with thunderous applause.一看见她出现在舞台上，大厅里就掌声雷动。
At the sight of the unutterable passion of that look I could hardly contain myself.看见那种说不出的苦闷的神情，我简直控制不住自己了。
2、at sight of
At sight of the rainbow, the children were more glad than the parents.看见彩虹，孩子们比大人更高兴。
At sight of the young lady the man's face changed to red and back to pale again.那男子见到这位年轻的女士，他苍白的脸变红了，转而又变得苍白。
He fell into rank at sight of the company commander.见到连长，他立即入列。
It had been tacitly understood beforehand that she was to get work and pay her board. His stomach heaved at sight of the mess.
他们事先已达成默契，嘉莉得找份工作，付伙食费。他一见这伙食就作呕。
The virgins at sight of him fled in all directions.少女们看到他都四处奔逃。
At sight of the first of these, Arren started and raised his sword to point, but Ged shook his head and went on.
在头一次的时候，Arren停下来举起长剑指向那个方向，但Ged只是摇了摇头继续前行。
