动词 sweep up:
force into some kind of situation, condition, or course of action
take up the cause, ideology, practice, method, of someone and use it as one's own
- They are cleaning up the house before moving in.
- You can help by organizing a cleanup or by simply picking up any trash or litter you see on your way to work.
- Robotic geologists are puttering around on Mars, little Roomba vacuums suck up dirt in the home.