亲没有 busy to do sth的用法哦. 常见固搭有：1. be busy with/at/oversth.例句：He is busy at work. 他忙着工作. Jean is busy with her work. 琼忙于自己的工作.2.be busy in doing sth, in可以省略I am bu...Bill busied himself with collecting materials为什么用busied