He has to deal with problems both inside and outside.

Ultraviolet rays can have a negative impact on the skin.

What is the meaning of this painting?

He found a strange corpse in the forest.

People born in the year of the Boar are generally said to be diligent and sincere.

It is important to gargle every day after brushing your teeth.

He was put in a tough situation, as if he was on the edge of a precipice.

When you catch a cold, it's good to gargle with salt water.

This concept is difficult.

I was surprised by his unexpected reaction.