"Saya rasa" is more common, to say "I think...".
"Sedikit" is the most common word to use, especially when writing.
"Sikit" can be use in conversational / verbally, but not in a writing form.
Need = Perlu
Finish = Habis / Tamat ( For time / duration / event )
Travel = Melancong ( Go for vacation )
Win = Menang
Ride = Menaiki ( Car / bus / lorry etc 4 wheels vehicles ) / Menunggang ( Bicycle / scooter / motorcycle etc 2 wheels vehicles )
Pay = Bayar
Leave ( a place ) = Tinggal ( "Meninggalkan tempat tersebut" = Left the place ), Pergi ( "Saya akan pergi terlebih dahulu" = I will make a leave first )
Give = Memberi
Before eating / drinking will greet "Jemput makan" / "Jemput minum", which means please help yourself with the food / drink.
Or "Sila makan" / "Sila minum", which means please eat / drink ( in a manner way ).