骑马找马

qí mǎ zhǎo mǎ

(idiom) (coll.) to continue in an unsatisfactory job (or romantic relationship etc) while actively looking for a better one

to sit astride

abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]

zhǎo

to try to find

abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]