翻譯：約翰本來(lái)想找一個(gè)信封，但沒(méi)想到讀起了一些舊時(shí)的信件。

John original wants to find an envelope? ，but sidetracked by reading some old letters.

參考翻譯：John was looking for an envelope and got sidetracked reading some old letters.

造句：我本來(lái)想好好看書學(xué)習(xí)的，沒(méi)想到看起了電影。

I want to study some books originally but sidetracked by watch movies.

動(dòng)詞：受到…干擾了

Where was I ？我剛講到哪了