It is neis iawn or
braf iawn.
Cael amser da
Gobeithe byddwch yn cael ddiwrnod gwych.
penwythnos hyfryd i ti (informal, singular)orpenwythnos hyfryd i chi (formal or plural)
diolch yn fawr iawn!
"y diwedd" is how you say it in Welsh language.
"Nice bedroom" would be "Ystafell wely neis" in Welsh.
Either neis or braf.
Cael amser da
They are NOT!!! If you think Welsh people are rude because you met Welsh people that are rude, then your wrong. Most Welsh people I know are very nice.
Gobeithio y byddwch yn cael gwyliau braf.(I hope you have a nice holiday.)
Gobeithe byddwch yn cael ddiwrnod gwych.
Nadolig Llawen
He was very nice (he is a very nice person, always) - Era muy agradable He was very nice (he behaved very pleasantly) - Fue muy agradable
penwythnos hyfryd i ti (informal, singular)orpenwythnos hyfryd i chi (formal or plural)
diolch yn fawr iawn!
You can say "diolch yn fawr iawn" in Welsh to express "thank you very much".
very nice time = sehr schöne Zeit