look at sth 1. to examine sth(closely) ---（彻底）检查 例句：My tooth aches.I think a dentist should look at it. 2. to think about or study sth----考虑,研究 例句：The government is looking at ways of reducing the rising of price. 3. to read sth ---读,阅读 例句：Could i look at the newspaper ? 4. to consider sth ---认为,看待 例句：Different nationalities look at life differently. look up 1.to rasie your eyes---仰视,抬头望 例句：She looked up and smiled. 2.to improve---改善,好转 例句：Business is looking up.
