kryptonite

US

UK

A1 初級
n.名詞氪星石 (虛構物質)
Superman is weakened when he is near kryptonite.
n.名詞剋星;弱點
His lack of confidence was his kryptonite, preventing him from succeeding.
n.名詞對...有害的事物
For him, public speaking was kryptonite.

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