Ununhexium is an element that is not yet fully understood.

He started a business without a plan, forgetting the lesson of 'peach and chestnut seeds take three years to bear fruit, persimmons eight years.'

He always keeps the proverb 'Do not make friends with those who are not like you' in mind.

This ancient document describes the use of antimony.

My opponens pollicis muscle hurts.

He succeeded in a difficult project with the spirit of 'ishi no ue ni mo sannen', which means great works are performed by perseverance.

Gidōsanshimō is a courtesy name of Takashina no Kishi.

My flexor pollicis brevis hurts.

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

He underwent surgery due to an injury to his extensor pollicis brevis.