Practise the thinking. Keep the judgement.
よく (yoku): Well; often
よく
yoku
Meaning
Well; often
Two original examples
妹はよく図書館へ行きます。
My younger sister often goes to the library.
説明をよく読んでください。
Please read the explanation carefully.
Usage and distinctions
よく can describe frequency (“often”) or the manner/degree of an action (“well”, “carefully”). よくできました means “well done”, not “often did”. The verb and context guide the reading.