Idiom: "(to) get one’s act together"
Definition:
to get organized; to start operating more effectively
Examples:
1) Jeff better get his act together if he wants to go to college.
2) Lets get our act together and start working on the project.
中文解释: http://www.youzienglish.com/main/idiom_of_the_day/to_get_ones_act_together/cn/