Which preposition to use with banal

as Occurrences 2%

It must be so; there is no profession so absolutely banal as diplomacy.

at Occurrences 1%

Such things are just speechifying, and banal at that.

in Occurrences 1%

I thought, we uncultured, worn-out people, banal in speech, stereotyped in intentions, have grown quite mouldy, and, while we intellectuals are rummaging among old rags and, according to the old Russian custom, biting one another, there is boiling up around us a life which we neither know nor notice.

like Occurrences 1%

He asked me if I was tired, or something banal like that; his voice was distraite.

Which preposition to use with  banal