[中翻英]当这两个陌生男女相遇时,竟然产生出奇妙的化学反应.

When the man and woman met eacher, a magical chemical burst out.

chemical 在英语的俚语里面专指男女之间那种一见钟情的“爱情火花”。
产生 这个动词我个人认为用burst out （突然爆发）比较真实生动地传达出那种强烈的感情。

The man and the woman, when they met at the first time, amazing chymistry reaction happend beteen the two strangers.

When the two opposite sex strangers met and produced the amazing chemical reactions unexpectly..

The unknown male-female,when they met,unexpectedly,produce a wonderful chemical action.

Imagine the chemical reaction that happened to the man and woman when they set their eyes on each other for the very first time!

when the two opposite sex strangers met,actually the wonderful chemical reaction occurs.