JR is not a word. If you're asking how to say the letters J and R in Hebrew, it would be exactly the same as in English.
There is no Hebrew word for Jr. In Jewish tradition, a child is never named after a living parent, so there is no need for this word.
You say 'Yalda' in Hebrew
Has in Hebrew is: YESH
"Tikra" (תקרה) is how you say ceiling in Hebrew.
"Boyfriend" in Hebrew is "khaver."
Mustache is 'Safam' in Hebrew
Shu'taf is partner in Hebrew
The word "My" in Hebrew is pronounced: "Sheli"
Ken and in Hebrew כן
Inawah has no meaning in Hebrew
Network in Hebrew is 'Reshet'
'Torture' in Hebrew is עינויים.