If you can get them done before something unexpected stops you, there'll never be an excuse for missing a training. (fitnessandpower.com)
Things get more complicated when they make a few unexpected stops, including one to her ex-husband. (filmcrave.com)
Padwa claimed that he changed lanes suddenly into Kendrick because an unknown vehicle ahead of him came to a sudden unexpected stop, and he had to change lanes to avoid colliding with the rear of that vehicle. (mcarthurlawfirm.com)