Japanese

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For pronunciation and definitions of めのかたきにする – see the following entry.
目の敵にする
[idiom] (idiomatic) to hate the very sight of; to hold a grudge against; to treat like an enemy; to bear constant enmity; to be gunning for; to have it in for
(This term, めのかたきにする (menokatakinisuru), is the hiragana spelling of the above term.)