He hit his occipital bone hard.

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

There are no words to describe that beauty.

He is always grumbling about trivial things, it's really annoying.

The exam ended and the results were good, so I thought 'all's well that ends well'.

In Japanese grammar, postpositions play an important role.

A back vowel is a sound where the back of the tongue approaches the palate.

Back vowels are vowels that are pronounced using the back of the tongue.

Postfix notation is one method of expressing calculations.

The Kokin Wakashū is the second collection of the Chokusen Wakashū.