重點講解：
1. be scared of
驚恐的；恐懼的；害怕的；
eg. I was scared of slipping on the ice.
我害怕在冰上滑倒PkzK_HTlAL。
eg. Most people are scared of radiation.
一般人對輻射都存有恐懼iq7MkUWtgA。
2. used to do sth.
過去常常；過去曾；
eg. We used to be rushed off our feet at lunchtimes.
以前我們在午飯時間會忙得不可開交J-bcG#~B&vWm|O#。
eg. He used to go about in a black cape.
他以前常穿一件黑披風[kh+CI.5#U!c[hOz。
3. whether or not
無論；是否；
eg. Whether or not he realised the fact was neither here nor there.
他是否認識到事實真相無關緊要~MSJt0wY^TU。
eg. It's up to you to decide whether we buy this set of furniture or not.
由你來定我們是否買這套家具CqqWHke6kj(-22。