Но вскоре ему пришла в голову блест

Но вскоре ему пришла в голову блестящая мысль, и он принялся за работу (to set to work) с таким видом, как будто он ничего не имел против того (to mind), чтобы белить забор в это солнечное утро.

Results (English) 1:

But soon he came up with a brilliant idea and he set to work (to set to work) with a look as if he had nothing against that (to mind) to whiten the fence in this sunny morning.

Results (English) 2:

But soon he came up with a brilliant idea, and he set to work (to set to work) with a look as if he had nothing against it (to mind), to whitewash the fence in this sunny morning.

Results (English) 3:

But soon he took it into his head a bright idea, and he was at work (to set to work) with such a view, as if he had nothing against it (to mind), to белить fence in the morning sun.