The middle pharyngeal constrictor is an important muscle that helps with swallowing.

He was working on that project round the clock.

We enjoy picnicking in this park year-round.

He is working round the clock.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Every morning, I chant the Heart Sutra.

I recite the Heart Sutra every day.

He was swimming freely as if he was a fish playing in the pot.

He is exactly in the state of 'A frog in a well does not know the vast ocean.'

He underwent surgery on the depressor septi nasi.