If you train your external oblique muscles, your waist will become tighter.

He is doing a special exercise to strengthen his abductor digiti minimi.

He is doing special exercises to strengthen his abductor digiti minimi.

I started exercises to strengthen the abductor hallucis muscle.

He cautioned not to speak ill of others, saying, 'Illness enters by the mouth, and disaster does not come out of it.'

He is truly demonstrating talent that surpasses his master, just as the saying 'the student has surpassed his or her teacher' goes.

He is doing special exercises to strengthen his abductor pollicis brevis.

He is doing special exercises to strengthen his abductor pollicis longus.

He quoted the proverb 'Once a word leaves your mouth, you cannot chase it back even with the swiftest horse' to teach me to choose my words carefully.