効く

効く

"効く" means "to be effective" or "to work."

In this sentence, '効く' is used to describe the effectiveness or functionality of the medicine in alleviating the symptoms of the cold.

この薬は風邪によく効きます。

This medicine is very effective against colds.

Here, '効く' is used in a figurative sense to suggest that the idea has efficacy or utility in resolving an issue.

そのアイデアは問題解決に効くと思います。

I think that idea is effective for solving the problem.

In this example, '効く' is oddly combined to metaphorically depict activation of listening ability, showcasing a poetic usage in expression.

耳を澄ませば、遠くの鐘の音が効きます。

If you listen closely, you can tell the sound of a distant bell.