MissLook Flower Jeans believed to be 2X explanation below size around 18

MissLook Flower Jeans 3X in chinese sizes (but an 18 or 2X for us)-looked up on size chart) ok short--found jeans in thrift store loved them-too small--found jeans on-line, measured me, matched to internet site where i bought them, bought them, came in 2 sizes to big, selling them to get money back, to get a smaller size, so measure yourself against these measurement in picture, nothing wrong with them waist 42" crotch 11" butt 50" length 28 1/2"