MIGHT IS RIGHT = něco ve smyslu 'moc je sladká' či 'já jsem učitel, kdo je víc?', přesně doslova 'MOC má pravdu'. I really hate that teacher. I think he lives by the principle that 'might is right.' might is right (British, American & Australian) also might makes right (American) the belief that you can do what you want because you are the most powerful person or country

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A SKELETON IN THE CUPBOARD = skryté tajemtví skeleton in the cupboard - a scandal that is kept secret; "there must be a skeleton somewhere in that family's closet" have a skeleton in the cupboard → mať maslo na hlave

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UNDER THE THUMB = pod pantoflem under the thumb → pod papučou under the thumb of → pod vplyvom (2. p.) under the thumb of → v područí (2. p.) under the thumb of sb. → pod vplyvom koho under the thumb of sb. → v područí koho under the thumb of sb. → pod palcom koho have sb. under one's thumb → držať v rukách (koho) have sb. under one's thumb → mať v hrsti (4.p.)

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BE ON GOOD TERMS = vycházíme spolu velice dobře on good terms (with someone) friendly with someone; able to interact well and be friends with someone on good terms (with somebody) friendly with someone or with each other be on good terms with → byť zadobre s be on good terms with → mať dobré vzťahy s (7.p.) be on good terms with → blízko k (3.p.) on good terms → pri dobrých podmienkach be on good terms with sb. → stýkať sa priateľsky s kým part on good terms → rozísť sa po dobrom I am on good terms with him → stýkam sa s ním priateľsky keep on good terms with sb. → byť zadobre s kým

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FOR GOOD = nadobro for goodforever; permanently. for good → navždy for good → celkom for good → nadobro for good → nastálo

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LEAVE ME COLD = nechávají mne chladným leave somebody (out) in the cold to ignore or not include someone

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IT'S A LONG SHOT= je to nepravděpodobné, je malá šance long shot Fig. a risky bet; an attempt, bet, or proposition that has a low probability of success

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HAVE MY HEART SET on sth = zamanul jsem si set one's heart on someone or something Fig. to be determined to get or do someone or something set one's heart on → zaumieniť si na set one's heart on → zmyslieť si na

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AT SHORT NOTICE = kdykoli, v krátké době, tento idiom používáme, když nám někdo nedá včas vědět on short noticequickly and without a timely notification of other people; with very little lead time. at short notice → narýchlo at short notice → v krátkom čase at short notice → hneď at short notice → ihneď at short notice → zo skladu at short notice → na požiadanie

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LAST BUT NOT LEAST= v neposlední řadě last but not least Cliché last in sequence, but not last in importance. (Often said when introducing people.) last but not least something that you say before introducing the last person or thing on a list, meaning that they are equally important last but not least important, despite being mentioned at the end last but not least → nakoniec, ale predsa last but not least → v neposlednom rade

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Zdroj: http://helpforenglish.cz/slovni-zasoba/idiomy/c2006033103-English-Idioms--2.html