To a male: "Boker tov mal'ach sheli" (בוקר טוב מלאך שלי).
To a female: "Boker tov mal'achit sheli" (בוקר טוב מלאכית שלי).
"Mal'ach katan" (מלאך קטן).
Your name is angel (to a woman) = shmech mal'ach (שמך מלאך)ֽ
"Mal'ach hamud" (מלאך חמוד).
There is no Hebrew word for this, because archangels are not a part of the Jewish religion. But you could say "head angel" which is ma'akh roshi (מלאך ראשי)
маленький ангел [mal'enkiy angel]
Katan (קטן)
chalomot paz, mal'achi (חלומות פז, מלאכי)
ktsat (קצת)
In Hawaiian, "little angel" can be translated as "puʻu kāne" for a boy or "puʻu wahine" for a girl.
If you're asking how to say "You speak a little Hebrew" in Hebrew, it's to a male: atah medaber ktsat ivrit to a female: at medaberet ktsat ivrit
asuk ktsat (עסוק קצת)
mój mały aniołku!