'It's fucking hot!' exclaims Kusumi sensei, several desks away, across a full staffroom.

I'm the only person to turn around in shock.

'Fucking shit!' he says.

I look about. Surely someone must realise what he's saying? No. Even Kusumi sensei doesn't really realise what he's saying.

'Do you know 'shit' in Japanese?' he asks me.

'Actually, yes, I think so' I reply, casting glances about the room.

He tells me anyway. '"Kuso". It's ''kuso"'. Kuso, kuso, kuso'

Now the other sensei are starting to look up, since, basically, Kusumi sensei is saying 'Shit, shit, shit' a lot. At me.

I resolve to stop teaching adverbs to Kusumi sensei since it seems he likes to use them all as a suffix to 'fucking'.