Eat to live, but not live to eat. 
人吃饭是为了活着,但活着不是为了吃饭。
活学活用:eat 
Locusts ate the country bare. 
蝗虫把乡下的庄稼吃得净光。 
This acid eats metal. 
这种酸能腐蚀金属。 
The moths have eaten holes in my coat. 
蛀虫将我的外套蛀了一些小洞。 
What's eating him? 
[美口]你[他]有什么苦恼?你[他]为什么不高兴? 你[他]怎么啦? 
E-at pleasure, drink with measure. 
[谚]随意吃饭, 适度饮酒; 大口吃饭, 小口饮酒。