understand.

　　A比B(高，長(zhǎng)s getting healthier and stronger than his brother.

　　表比s less rich than he.

　　表與其說(shuō)，不如s more than a teacher.

　　Shes more than tired.

　　表并不比某某s no taller than you.

　　最高級(jí) 三者或三者以上比較某某最s one of the best students in this class.

　　第幾大/長(zhǎng)s a letter for you.

　　用于指初次提到某人/物 She has a dog.

　　指某類(lèi)物或人中的任何一個(gè) A horse runs fast.

　　用在不可數(shù)名詞前表一次/場(chǎng)/或一個(gè)/種人或物 I would like a coffee.

　　用于時(shí)間、度量衡名詞前表每一 He has two meals a day.

　　用于某些習(xí)慣用語(yǔ)或固定詞組中 as a result，have a rest

　　have a chat，in a hurry

　　have a word with sb.

　　a little，a lot，a pair of

　　a cup of，a great deal of.