重点讲解：
1. look out
（建筑物、窗户等）面向，朝向对着；
eg. Nine windows looked out over the sculpture gardens.
9扇窗户俯瞰雕塑园。
eg. We sit on the terrace, which looks out on the sea.
我们坐在面朝大海的露台上。
2. let sb. do sth.
允许，准许，同意（某人做某事）；
eg. I love sweets but Mum doesn't let me have them very often.
我爱吃糖，可妈妈不让我常吃。
eg. She said her future husband would not let her make another film.
她说她的未婚夫不会让她再拍电影了。
3. chase after
追；赶；撵；
eg. He said nothing to waiting journalists, who chased after him as he left.
他对等候的记者什么也没说就走了，那些记者跟在他后面追。
eg. Bertha likes to chase after butterflies in the flowers.
柏莎喜欢在花丛中追逐蝴蝶。