重點講解：
1. ever since 自從；打…以后一直；
例句：I've been off my food ever since I had the flu last month.
我自從上個月患感冒以來，一直無食欲AKv+EPUAEA#tB。
2. grow out （使）頭發長長以讓原來的發式消失；
例句：The red rinse had grown out completely.
染紅的頭發已經長得完全看不出紅色了C_Q7P!DLn63%M。
3. make sure 一定要；設法保證；
例句：Make sure that the bottle is completely rinsed out before you refill it.
再用這瓶子裝東西之前，一定要將它涮干凈U~6arA4^7XmLe6=Pv。
4. watch out for 密切注意；戒備；提防；
例句：I advised them to watch out for slick spots on the sidewalk.
我叫他們當心人行道上路滑的地方I2Ee@;Z74!]PEL。