This is the 5002nd most frequent Chinese word.
钧
"钧" means "a unit of weight" or "equal; balanced."
钧 is used metaphorically to indicate a weight or gravity of a situation.
他的决定举足轻重，重如千钧。
His decision carries great weight, as heavy as a thousand jun.
钧 here conveys respect and excellence in describing the teacher's care.
感受到老师的钧爱让学生们充满感激。
The students are full of gratitude for the teacher's great kindness.
钧 refers to the Jun kiln, which is renowned for its ceramic art.