tough nuts to crack
(immunology, pathology) Affected with immunosenescence
plural of plunket
(archaic, Ireland) A fight; a brawl / (dated, Ireland) (as a formulaic threat) big trouble.
big trouble
plural of tough nut to crack
国際貿易の紛争は手ごわい難題で、数か月にわたる交渉と専門家の仲裁を要しました。
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DiQt
Free
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