[误] Don\'t interfere in his work. He is very busy now.
[正] Don\'t interfere with his work. He is very busy now.
注：interfere with 才是“打扰，妨碍”的意思，而 interfere in 却表示“干涉”。
参考例句：By what right dost thou interfere? Art thou sent by the lord?你有什么权利干涉?你是上帝派来的吗?