This sentence contains non-Jōyō kanji.

This sentence contains kanji not approved for regular use.

He decided to apply euthanasia to his sick dog.

The deathwatch beetle is known for eating wood.

He chose euthanasia to be freed from the pain of his illness.

He died from overwork.

Yoroshiku, please do your best to pass the exam tomorrow.

This kanji has the left 'heart' radical (立心偏).

He worked all night to find the solution to the partial differential equation.

Sudden Infant Death Syndrome refers to the sudden death of an infant for which the cause remains unknown.