My signature is required on this contract.

He is traveling around the world in search of the elixir of life.

He needs long-term drug therapy.

His words reminded me of the proverb 'good advice may be uncomfortable to hear.'

The external urethral sphincter is an important muscle for controlling the excretion of urine.

This blade is very sharp.

Is the kanji 署 used in a name?

He was playing with the children.

He is trying to mend his relationship with his ex-wife.