This is the 3582nd most frequent Polish word.
ciebie
"You" (emphatic or stressed form, used to refer to the second person singular).
In this sentence, 'ciebie' is used in the dative case following the preposition 'dla,' specifying the recipient of the gift.
To jest prezent dla ciebie.
This is a present for you.
Here, 'ciebie' emphasizes whom the speaker loves, making the sentiment stronger.
Kocham ciebie całym sercem.
I love you with all my heart.
The word 'ciebie' is used in the accusative case after a preposition, indicating dependency without the specified person.