tightening

"Please tighten that screw a quarter-turn."

"The seamstress added a tighter to the back of the dress to make it fit perfectly. "

"He is a student of life."

"The Communist Party has a policy of returning power to the workers."

"I brush my teeth regularly to prevent them from turning yellow."

"The college of teachers collaborated on a new curriculum for the school. "

"I lent her 10 euros to pay for the train tickets, and she paid me back the next day."

"Be careful not to trip on the tree roots."

"Our bank offers borrowers an annual interest of 5%."

"Here are some options: * "I tripped because my shoelaces were untied." * "He had to stop and tie his shoelaces before running the race." * "New shoes often come with long shoelaces." "

"The pizza was cut into four quarters. "

"He never expected to be discovered."