1.And if you stir up a hornet's nest, you create trouble or problems.
stir up 激起;煽動;攪拌;喚起
Before painting, you should stir up the paint a bit.
漆油漆前,你得把油漆攪拌一下 。
They saw first a cloud of dust and then the car that was stirring it up.
他們先是看到一團塵土,接著就看到揚起塵土的那輛車 。