is re-lactation possible after stopping for 4 weeks?

i have stopped breastfeeding for 4 weeeks and i want to get back to breastfeeding. my daughter only took breastmilk for a short time and not enough. any advice on how to get back to breastfeeding. bcz its so frustrating. i am not comoletely dried up. and i used to pumo my milk into a bottle bcz my babh wldnt take it directly from my breasts. help!!