重点讲解：
1. be into sth. 对…很感兴趣；极喜欢；
例句：Have you ever been into jazz music?
你曾对爵士乐感兴趣吗？
2. for sure 无疑；肯定；
例句：She won't lend you any money, and that's for sure.
她不会借钱给你，那是确定无疑的Kay=Js0(Pp.e。
3. not at all （用于表示强调）一点不，根本没有；
例句：He was hatchet-faced and not at all handsome.
他是瘦长脸，一点也不漂亮Y*,4M|XFv4!t。
4. in the blink of an eye 一眨眼的工夫；转眼之间；瞬间；
例句：It was all over in the blink of an eye.
转眼之间，一切都结束了hmj)6Ks7uI%F)4n-G#J~。