bugbear

"What irritation causes you to be so moody?"

"He is a student of life."

"My brother's imaginary friend always helped him with his math homework. "

"My grandmother taught me how to bake cookies when I was a child. "

"The family faced many difficulties during the economic adversity, struggling to make ends meet. "

"Go easy on him: he is but a child."

"When faced with a difficult math problem, I often recur to my older sister for help. "

"A big obstacle to understanding the manual was that it had been poorly translated from the Japanese."

"My brother's constant bragging about his good grades fueled my resentment. "

"The little creature scurried under the table during the family dinner. "

"The company standardized its employee training procedures to ensure consistency across all departments. "

"the performance of an undertaking or a duty"