소중해요 · 소중했어요 · 소중한 (+noun)
to be precious, to be dear, to be valuable
Example
가족은 저에게 가장 소중한 사람들이에요.
My family are the most precious people to me.
Word parts
소 that which+중 heavy, important
Literally 'that which weighs heavily' in your heart.
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