je suis triste - je me sens triste
jeviemal
C'est triste.
"Tu me rends triste."
to feel happy is 'se sentir heureux' in French.
"Que c'est triste - comme c'est triste"
sad to say is 'triste à dire' in French.
c'est triste
jeviemal
Triste
"Que c'est triste - comme c'est triste"
gens tristes
Il est triste
si triste
C'est triste.
"Je suis très triste" is the french for "I'm very sad".
I don't really get what you mean, but if you want to say, We are sad, its just We are Sad. If you want to know how to tell if you are sad, do you feel a sinking feeling in your heart? that means you are sad. If you want to know how to talk to people about your sadness, then you could explain why you feel sad, and the steps you want to take to solve it.
we say il est très triste