best of the best = הטוב ביותר (hah-TOHV beh-yo-TEHR)
You say "Hachi tov be"
kol tuv (כל טוב)
I think you meant to say "the best IN the world". It is hatov ba'olam.
The typical phrase is, "acharon, acharon chaviv" (last is the best)
You say 'Yalda' in Hebrew
yadua hatov beyoter (ידוע הטוב ביותר)
Has in Hebrew is: YESH
"Tikra" (תקרה) is how you say ceiling in Hebrew.
Ken and in Hebrew כן
"Boyfriend" in Hebrew is "khaver."
The word "My" in Hebrew is pronounced: "Sheli"
Mustache is 'Safam' in Hebrew