on someone's case
idiom
informal
: frequently criticizing someone or telling someone what to do
Her brother is always on her case about the clothes she wears.
Dictionary Entries Near on someone's case
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“On someone's case.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20someone%27s%20case. Accessed 25 Apr. 2024.
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