To pray = leh-HEET-pah-LELL (להתפלל)
No. You are thinking of the Yiddish word "Daven," which means "to pray." The Hebrew word for pray is hitpallel (התפלל)
to pray is hitpalel (התפלל) and it's translation is "to pray"
The word "My" in Hebrew is pronounced: "Sheli"
You could say הִתְפַּלְּלוּ בלי הפסקה(hitpallelu b'li hafsakah).
The word Miod, or in Hebrew מאד
The Hebrew word for 'mountain' is "HAHR".
The word for "water" in Hebrew is "" (mayim).
The word for "sin" in Hebrew is "chet" ().
There is no Hebrew word for Andrew. You would just say "Andrew".
If you mean present as in a gift - the word in Hebrew is "Matana" - מתנה. If you mean to say present, as in now - the word in Hebrew is "Ho've" - הווה.
If you are asking what the Hebrew word for "Hebrew is, it's עברית (eevreet).
to say = amar (אמר)