What are you up to? = What are you doing?

PS: I am not a 'guy'. I am a 70-year-old English teacher

It could be a simple rendition of "what are you doing?" It could also indicate suspicious behavior, questioning someone's motive in their actions. "I notice that you are being nicer to the other workers these days. Just what are you up to?"

I agree with Philip, it depends on the context. If it is an opening question, it simply means, "What are you doing?" There are numerous other variations of the same sentiment, for example, "What's up?"

However, as part of a different context "up to" can mean devising or scheming. So asking "What are you up to?" in that situation implies that you there is some suspicion about what you ar

Mister Micawber I am a 70-year-old English teacher

A red-letter day for me. There is somebody in the TEFL world who is older than I. Not by a lot, I have to admit, but I am just about able to clutch (not very firmly) at straws.

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Is anybody here older than me — 75?

And there's nothing wrong with my...er, what do you call that thing?...memory!

Oh, well. Sixty-one. It sounds worse out loud, doesn't it?

Well, what a sorry bunch of old poots are pontificating here at EF! It only makes sense, I suppose. All the young guns are working.

Perhaps we need to list the mods, etc., in chronological order, as we do their posting/recognition records.

PhilipPerhaps we need to list the mods, etc., in chronological order,

Yes, along with the generational English they speak: Edwardian, Victorian, Elizabethan, etc.

thank you .. I'd like to ask you again,.. I found this sentence " Everyone dig in while it's still hot "
what I want to