Formal:
* བདེ་སྐྱིད་ལྡན་པ། (de kyid lenpa): This translates literally as "possessing happiness." It's a more formal and elegant way to express happiness.
Informal:
* ང་སྐྱིད་པོ་ཡིན། (nga kyid po yin): This means "I am happy." It's a simple and straightforward way to say it.
* ང་ལོངས་སྤྱོད་ལེགས་པོ་ཡིན། (nga long tshod leks po yin): This translates to "I am enjoying myself." It implies a sense of contentment and satisfaction.
Other variations:
* ང་གསོན་པོ་ཡིན། (nga gon po yin): This literally means "I am alive," but it can also be used to express happiness and vitality.
* ང་བདེ་པོ་ཡིན། (nga de po yin): This means "I am well," and can also convey a sense of happiness.
The best way to say "I am happy" in Tibetan will depend on the context and the specific meaning you want to convey.