重点讲解：
1. love at first sight 一见钟情；
例句：They fell in love as soon as they met: it was love at first sight.
他们一见面就坠入情网，真是一见钟情1y^W[ME,xyn!]bafT57h。
2. turn out 原来是；结果发现；
例句：It will turn out to be right in the end.
这件事情在最后会被证明是正确的Ytd-vl5GF3G+(。
3. head over heels 深陷情网；
例句：I was very attracted to men and fell head over heels many times.
我很容易被男性吸引，曾多次深陷情网#AX@*c6P5hZj。
4. be in love with 对…倾心；爱慕；热恋；
例句：She knew she was in love with Henry, from the first.
从一开始她就知道自己爱上了亨利#p9c5Cp.(L4u77[1-0%。
5. be serious about 认真的；当真的；真心的；郑重其事的；
例句：He was serious about the matter.
他对于那件事很认真&Mj.S(4[Nm!xL)。