sidetracked
v．使分心，使离题：使某人从原本的目标或任务上转移注意力。
例句
He'd managed to avoid being sidetracked by Schneider's problems.
他最终总算没有由于施奈德的问题而分心。
《柯林斯英汉双解大词典》
I was supposed to be writing a letter but I'm afraid I got sidetracked.
我本来应该在写信，但后来恐怕是分心干别的去了。
《牛津词典》
He sidetracked to enliven the atmosphere.
他换了个话题来活跃一下气氛。
