He fucked up the job.

He is always chattering away.

He attacked the enemy's position using a grenade launcher.

He likes to take a walk in the park at dusk.

A glottal stop, or 'せいもんはれつおん' in Japanese, represents a sound like the 'uh-oh' in English.

He has fundamental knowledge of mathematics.

His recovery was truly miraculous.

There is a wonderful exhibition at the museum.

The Fibonacci sequence appears in many phenomena in nature.

This cell divides to create new cells.