This apple is very hard.

Pronouncing the palatal sounds in Japanese is difficult.

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

There is a proverb, 'a cornered rat will bite a cat,' which means that a person driven into a desperate situation will fight back even against an opponent they would normally fear.

In his anger, he tore the letter to pieces.

In his anger, he bit off the apple.

Strong interaction is one of the four fundamental forces in particle physics.

He exercises his pectoral muscles every day.

He does exercises to train his gluteus muscle every day.

The fascia is an important part that wraps around the muscles.