up against it -用法

up against it

faced with a great difficulty or problem面临极大的困难；经济拮据

He is very resourceful，but this time he was up against it．他一向足智多谋，可这次还是遇到了极大的困难。

My family is up against it because I can't find a job．由于找不到工作，我家经济拮据。