intense

"The class squirmed and fidgeted in the uncomfortable new chairs."

"The preparation for the history test took her several hours. "

"The little girl strained her teddy bear to her chest, comforting herself after a bad dream. "

"The weather was extremely hot today; we stayed inside all afternoon. "

"Putting a wide vibrato on a single 16th triplet note at 160 beats per minute seems rather excessive."

"Everyone in the class needs to bring their textbook to the first lecture. "

"To explain a chapter of the Bible."

"The long commute was very stressful. "

"Her passion for baking was a powerful motivating force. "

"The temperature in the room dropped nearly 20 degrees; it went from hot to cold."

"The complicated instructions on the new software difficult me from completing the project on time. "

"emotional crisis"