業精於勤，事立於豫

141. how do you like = what do you think of　　你認為……怎麽 樣

142. if…(or not) = wether…(or not)　　是否

例句：I don't know if/wether I should go to the party. (我不知道我是否應該去參加晚會。)

143. if當「如果」使用，假如＋條件語態從句

例句：I'II go to England,if I have enough money next year. (如果我明年有足夠的錢，我就要去英國。)

144. in one's opinion = sb think　　某人認為

145. in some ways　　在某些方面 

146. in the end = finally　　最後

147. in the north of…　　在……的北方 (north北，south南，west西，east東）

148. in the sun　　在太陽下

149. instead of + 名詞/V-ing　　代替

例句：I'd like an apple instead of a pear. (我想要蘋果，而不要梨。)

150. introduce sb to sb　　把某人介紹給某人