useful phrases - please and thanks

Remember that 'chi' is the plural or formal singular version of 'you', and 'ti' is the informal singular and phrases that utilise them reflect that usage. Phrases more common in South Wales with an 's', and phrases more common in North Wales with an 'n'.

Mae'n ddrwg gen i 	I'm sorry 
Mae'n flin 'da fi 	I'm sorry 
Esgusodwch fi	Excuse me 
	
Dw i ddim yn deall	I don't understand
Dw i ddim yn gwybod	I don't know
Beth ydy/yw* ... yn Saesneg? 	What is ... in English? 
Beth ydy/yw ... yn Gymraeg? 	What is ... in Welsh? 
Beth ydy/yw hwn?	What is this?
Beth ydy/yw hwnnw?	What is that? 
Beth ydy/yw hwn (hwnnw) yn Gymraeg	What is this (that) in Welsh?
Sut ych chi'n dweud ... yn Gymraeg?	How do you say ... in Welsh? 
Sut wyt ti'n dweud ... yn Gumraeg? 	How do you say ... in Welsh?
	
Os gwelwch yn dda	Please 
Os gweli di'n dda 	Please 
Diolch 	Thanks 
Diolch yn fawr 	Thanks very much 
Dim problem 	No problem 
Croeso 	(You're) welcome
	
Wyt ti'n iawn? (or Ti'n iawn?)	Are you ok?
Beth sy'n bod? (or Be' sy'n bod?)	What's the matter?
'Sdim ots** 	It doesn't matter
Dim byd	Nothing
Dim byd o gwbl	Nothing at all

*note, 'ydy' is used in the North, 'yw' is used in the South. See the present tense of Bod for more details.

** 'Sdim is short for Does dim or There isn't/aren't