well, you gotta release it really gently, smoothly with a little constant tap on the gas. no need to hurry, practise slowly and you'll be able to master it easi;y,
you have to develop a feel for the clutch. The clutch pedal has a lot of travel to it but there is a sweet spot right in the middle. Ease off the clutch until it just starts to grab. Give it a little gas and continue to ease off the clutch. The gas and clutch pedals should be worked opposite of each other, when one foot comes up the other goes down. Keep at it and you should have it figured out pretty good in about a week or so.