How to say i love you in Dzongkha language ?

Dzongkha language is a South Tibetic language spoken in Bhutan.
It is easy to say I love you in Dzongkha (རྫོང་ཁ) language you can simply say Nga gi che lu ga. To say You are pretty you can say Che namay samay jarim dhu.

Other words and sentences,
Hello: Ku zuk zang po la
Morning: Nga cha
Evening: Chi ru
Night: Gung zhak
Good morning: Dobro delek
Good afternoon: Nima dele
Good evening: Chiru delek
Good night Simcha dele
Thank you: Ka drin che la.
You’re welcome: Jembalaekso
Well done: Drak drak
Sorry: Ku che
Excuse me: Atsi zur nang
I Don’t Know: Nga mi she
Hurry up: Joba joba shuk bay tang
Nice to meet you!: Nga choe da chebay sem ga yi
Go straight ahead: Thrangdi song
Turn left: Yoenchhog
Turn right: Yaechhog

Do you speak Dzongkha/English?
Choe ki Dzongkha/English she ga?

How are you?
Gaday bay zhui?

I’m fine, thanks!
Legshom bay rang yoey.

Where is Paul?
Paul ga tey in na?

What time is it?
Chu tsay ga tey chi ya si ga?

What’s your name?
Chhoe gi ming ga chi mo?
For this question you can reply like this My name is John and in Dzongkha language Nga gi ming John.

How old are you?
Kay lo gadem chi ya shi ?

How much is it?
Gadem chi mo?

There’s no hurry.
Drogay bay tang.