loosely

"Please tighten that screw a quarter-turn."

"The concept of teamwork is important in our school's project groups. "

"...approximately 60 beats per minute."

"He is a student of life."

"My teacher explained the new math concept, and I understood it perfectly. "

"The directions to the park were imprecise, so we got lost. "

"My daughter's teacher is very kind and helpful. "

"tightly clenched fingers"

"To explain a chapter of the Bible."

"The doctor scheduled my appointment for next Tuesday at 10 AM. "

"The speaking portion of the exam made me nervous. "

"The guard blew his whistle to indicate imminent departure."