Either neis or braf.
You can say "it's nice" in Welsh as "mae'n braf."
"Nice bedroom" would be "Ystafell wely neis" in Welsh.
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.