You can say "it's nice" in Welsh as "mae'n braf."
Either neis or braf.
Cael amser da
It is neis iawn orbraf iawn.
Gobeithio y byddwch yn cael gwyliau braf.(I hope you have a nice holiday.)
Gobeithe byddwch yn cael ddiwrnod gwych.
"You are Welsh" = Rwyt ti'n Gymreig
penwythnos hyfryd i ti (informal, singular)orpenwythnos hyfryd i chi (formal or plural)
'Our Friends' in Welsh is 'Ffrindiau Ni' :)
To say "your house" in Welsh, you would say "eich tŷ".
Cymraeg
No in Welsh is dim.