snarl

"The doctor's office is scheduling appointments for flu shots next week. "

"The students' problems in math, like solving equations, were the biggest problems in the class. "

"The unexpected snowstorm caused a complication in the school's bus schedule. "

"Instruction will be provided on how to handle difficult customers."

"The difficulty of the math problem made it hard for many students to solve it. "

"He threatened me with a knife."

"You realize this little stunt of yours is going to have some pretty serious repercussions."

"I had to disentangle him from his own shoelaces."

"The impossible of finishing the project by Friday became a reality when everyone worked late. "

"The teacher complicated the math problem by adding several extra steps. "

"The new rules for the school project complicated the already challenging task for the students. "

"The sudden silence during my presentation began to embarrass me, making me forget what I was going to say next. "