Case, Circumstance, Situation
noun
What location suits a situation the best? That always depends on the case or circumstance. You can't know the suitability of the location until you have all the facts about the circumstances.
ばあい
This word uses the kun'yomi readings for both kanji. You haven't learned this kun'yomi reading for 合 yet, so here's a mnemonic to help you: To know exactly what case or circumstance you're dealing with, you keep a close eye (あい) on things. Imagine your eye really close up to the circumstances, trying to figuring out exactly what's going on.
私の場合は、それでうまくいきました。
In my case, that worked out well for me.
この場合は、どうすればいいですか？
What should I do in this situation?
その場合はプロを呼んだ方がいいと思う。
I think in that case, it's better to call a professional.