[1] 다행이다

1. 다행이야

That's (such) a relief.

This is so relieving.

2. ~해서 다행이야

I'm glad it's not raining.

I'm glad you're here.

I'm glad I can help.(제가 도움을 드려서 다행이에요.)

I'm glad I brought my wallet with me.

3. ~하길 잘했네

It's a good thing you mentioned that.

It's a good thing we didn't go there.

It's a good thing I left early.

출처 : 유튜브 라이브 아카데미

https://youtu.be/z1TWU9agMbQ