over·reach 
/ˌoʊvɚˈri:tʃ/ verb
over·reach·es; over·reached; over·reach·ing /ˌoʊvɚˈri:tʃ/ verb : to try to do something that is beyond your ability to do [no obj] ▪ She overreaches in her latest book, and her argument is not convincing. [+ obj] ▪ The company overreached itself and ran out of money after one year.
