It means doing something in a hurry.

它的意思是忙地做某事。

And this is the problem when you go from red to blonde and you do it in a rush, it goes yellow.

这就是问题所在， 当从红色变，忙忙地做了， 它就变黄了。

She heard Miss Bates's voice; something was to be done in a hurry; the maid looked frightened and awkward; hoped she would be pleased to wait a moment, and then ushered her in too soon.

她听到了贝茨小姐的声音;有些事情要忙忙地做;女仆看起来既害怕又笨拙;希望她会很高兴等一会儿，然后过早地把她带进来。