sidetrack: v. to direct (someone) away from an activity or subject toward another one that is often less important
翻译
约翰本来想找一个信封，但没想到读起了一些旧时的信件。
John was looking for an envelope and got sidetracked reading some old letters.
造句
句子： Nowadays people chatting with their friends are prone to be sidetracked by instant messengers like WeChat.
翻译： 当下和朋友聊天的人们很容易被微信等即时通信应用干扰。
场景： 社交。
句子： Pigsy was often sidetracked by beauties and wanted to leave the team.
翻译： 猪八戒总是被美色干扰而不想取经了。
场景： 《西游记》。开花
