重點講解：
1. right now 現(xiàn)在；此時此刻；
例句：You might as well tell him right now.
你不妨現(xiàn)在就告訴他1w!xw61fEV8U2。
2. less than （用在數(shù)字或數(shù)量前）少于，低于，比…少；
例句：In less than seven days the infested plants had recovered.
不到7天時間，受蟲害侵襲的植物就復(fù)原了O!_0+;w)EqYz%Q。
3. be into sth. 對…很感興趣；極喜歡；
例句：All my buddies who are into reggae wear colorful hats and have long hair.
我所有喜歡雷鬼音樂的伙伴都帶著顏色鮮艷的帽子，留著長頭發(fā)y|X%Xah@bwn*E;)(L。
4. build up （使）積聚；（使）逐漸增加；
例句：We can build up the speed gradually and safely.
我們可以逐漸穩(wěn)妥地提高速度~VJY9yiydRi%uR~9C。
5. a couple of 兩個；幾個；
例句：I'll be back in a couple of days.
我過幾天就回來jTlu7JhLG7z9Xg#。