"dither about" is grammatically correct and can be used in written English.
It means to be indecisive or hesitant about something. Example: She spent weeks dithering about which college to choose.
They dither about and the whole thing is sooner said than done".
Wallinger the flaneur doesn't dither about.
So don't dither about what form of exercise you do.
But the ex-captive nations do not have the luxury of time to dither about reform.
Second, those who test positive ought not to dither about taking medication.
As governments dither about greenhouse gases, billionaire Richard Branson offers a reward for removing excess carbon dioxide from Earth's atmosphere.
When Bleakley dithered about following him to Daybreak, declaring herself "torn", her indecision was interpreted in the press as disingenuous manipulation and a bid for more money – but when I bring this up, she looks visibly upset.
During a separate vote, over whatever Brexit bullshit the government is currently dithering about, Tory whips – faced with the possibility of a rebellion – refused to honour the convention of "nodding through" the votes of sick MPs.
I'm not sure what all the dithering is about, the issue does not appear to be that complicated.
There was no dithering about which hymn to choose.
Spain is dithering about applying for a rescue package.
