Admiration
Being Impressed, Praiseworthy
noun, verbal noun, な adjective
Your feelings are in your heart. When your feelings are in your heart they are pure feelings. You can be happy for people and feel admiration for their successes. This is a great feeling to have in your heart.
感心 expresses that you are being impressed by someone's effort, skill, or good behavior. You'll hear it when someone does something praiseworthy and you genuinely admire it, like 感心した (I’m impressed).
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
感心なお子さんですね。
You have such an admirable child.
毎日勉強するなんて、感心、感心。
I'm so impressed that you study every single day.
ケイティには、いつも感心させられっぱなしです。
Katie never ceases to impress me.