to make a sincere promise
誠実な約束をする (seijitsuna yakusoku o suru)
"I’ll never tell anyone, cross my heart."
"私は誰にも言わない、誓って。" (Watashi wa dare ni mo iwanai, **chikatte**.)
threatening military action to intimidate others
to celebrate a special event or success
a change in the way one feels about something or someone
flawed input data will produce flawed results
to finish preparations or close something securely
to review or discuss something thoroughly
