Sir, – I hear the Taoiseach Micheál Martin using the expression “and so on and so forth”. Despite being really annoying, what does this actually mean? – Yours, etc.MARY LEE,Newbridge,Co Kildare.Sir, – It’s very annoying to hear “100 per cent” all the time, which seems to have replaced “absolutely”. – Yours, etc,PADRAIG CRONIN,Dublin 18.Sir, – One annoying expression is when someone says “to be honest” and then says just what anyone would expect to hear. The same with nearly all pre-sports match interviews. – Yours, etc,PAUL O’CALLAGHAN,Tallaght,Dublin 24.Sir, – “In no way shape or form.” – Yours, etc,BILL COSGRAVE,Dundrum Dublin 16.Sir, – Isn’t it incredible that literally everyone finds it incredibly hard to see the literal meaning of incredible? I find it unbelievable. Sorry, I mean incredible. – Literally yours, d’you know what I mean?ROSE McNEIVE,Tramore, Co Waterford.