lay crosswise

1) be prudent; 2) to cross hands

lay crosswise

to be (causatively, make or act) circumspect and hence, intelligent

consider, expert, instruct, prosper, (deal) prudent(-ly), (give) skill(-ful), have good success, teach, (have, make to) understand(-ing), wisdom, (be, behave self, consider, make) wise(-ly), guide wittingly.