This is the 5636th most frequent Japanese word.
しかり
"しかり" means "so it is" or "thus" and is an old-fashioned or formal expression of affirmation or agreement.
In this sentence, "しかり" is used as an adverb implying 'properly' or 'rightly', denoting appropriate action or assessment.
彼の努力はしかり評価されるべきです。
His efforts should be properly appreciated.
Here, "しかり" emphasizes the correctness or responsibility involved in the teacher's actions.
教師は生徒をしかり導かなければならない。
Teachers must rightly guide their students.
"しかり" in this example serves as an affirmation, meaning 'indeed' or 'exactly', reinforcing the speaker's stance.