1. look at

1. vt fus (gaze at) 看一看
2. vt fus [+problem] [ subject etc] (consider) 考虑

Look at the film against the light and tell me which one is the picture you want me to print. 冲着阳光看看胶卷，告诉我你想洗哪张。

Look at that cloud!It has an animal shape! Guess which animal I'm thinking about. 看那片云，是个动物的形状！猜猜我想到了什么动物。

2. precious
(valuable) 宝贵的；贵重的

My father deals in precious metals. 我父亲在经营贵金属的生意。
He received a precious gift. 他收到了一份珍贵的礼物。

3. all time 有史以来，一直
如：

Beethoven's compositions are among the greatest of all time. 贝多芬的作品可被归入有史以来最伟大的音乐创作行列。