If it is EastWest play youre using strings from, take it easy with the velocity and use expression to get the music phrased. If youre unsure how to edit expression, here is an example I found, there are probably better tutorials if you look for it (expression is the dots on the bottom of the screen):
https://www.youtube.com/watch?v=OcokxHeaQBc About the sforzando and staccato - use shorter and more attacky sounds. If you need both long a short notes with attack at the same time, blend in a longer sound to the shorter one.