Their company introduced a poison pill to prevent hostile takeovers.

He was the one who set fire to this project.

His role is to fulfill his responsibilities as a leader.

He is an executive at the company.

He is in his unlucky year, so he needs to be particularly careful.

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.