在英语学习中，“at first sight”是一个非常实用的短语，意为“乍一看”或“初见时”。它常用于描述第一印象或者初次见到某事物时的感受。为了帮助大家更好地掌握这个短语，下面通过几个例句来加深理解。

1. At first sight, the painting looks like just another abstract piece, but upon closer inspection, it reveals deep meanings and emotions.

（乍一看，这幅画只是另一幅抽象作品，但仔细观察后，你会发现其中蕴含着深刻的意义和情感。）

2. She thought she didn’t like his personality at first sight, but after getting to know him better, she realized how kind and generous he truly was.

（她最初觉得不喜欢他的性格，但深入了解之后，才发现他其实非常善良且慷慨。）

3. The mountain range seemed ordinary at first sight, yet its unique beauty became apparent as we climbed higher.

（这座山脉乍看之下很普通，但当我们爬得更高时，它的独特之美便显现出来了。）

4. At first sight, the new restaurant appeared trendy and modern, but the food quality turned out to be disappointing.

（这家新餐厅乍一看时尚现代，但食物质量却令人失望。）

5. When I met John at first sight, I thought he was arrogant, but later I discovered that he was actually very humble.

（当我第一次见到约翰时，我以为他很傲慢，但后来我发现他其实很谦逊。）

通过这些句子可以看出，“at first sight”不仅适用于描述视觉上的第一印象，还可以延伸到对人或事物的整体评价上。希望这些例子能让你更加灵活地运用这一表达方式！