表达 “as pretty as picture” 比喻事物 “美得像田园风景画一般”，也就是 “非常美丽”。它也可以用来形容人 “非常漂亮”。

例句
You live in that cottage by the sea? It’s as pretty as a picture.
你住在那个海滨小屋吗？它美得像一幅画。

My son looks as pretty as a picture in his new suit!
我儿子穿上这套新衣服看起来漂亮极了！

Your garden is as pretty as a picture. The different flowers look stunning.
你的花园真是美丽如画。百花争艳，美不胜收。