YOU SAID:

i am very bored and i am sitting at a desk

INTO JAPANESE

私はとても退屈で机に座っています

BACK INTO ENGLISH

i'm so bored i'm sitting at my desk

INTO JAPANESE

とても退屈なので机に座っています

BACK INTO ENGLISH

I'm sitting at my desk because I'm so bored

INTO JAPANESE

とても退屈なので机に座っています

BACK INTO ENGLISH

I'm sitting at my desk because I'm so bored