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spontaneous - samovolný (potrat, výbuch, ap.)

adjective, technical - happening naturally without being caused by something outside it

 

mutate - mutovat (geneticky)

verb, technical - to develop a new form because of a permanent change in the genes

 

mutate - přeměnit se

verb - to change into something different

 

prankster - šprýmař, vtipálek (dělající kanadské žertíky)

noun - someone who plays tricks or practical jokes on people to make them look stupid

 

cowardice - zbabělost

noun - the lack of courage or bravery

 

practical joke - kanadský žertík

noun - a trick that is played on someone to make them look stupid or shock them them so that other people laugh

 

buoyancy - schopnost plavat, schopnost udržet se na hladině

noun - the state of being able to float

 

buoyancy - veselí, radost

noun - cheerfulness, the state of feeling happy and confident about the future

 

buoyancy - prosperita

noun - (connected with business etc.) the state of being prosperous, of growing or staying at a good level

 

buoyantly - prosperujícím způsobem, rostoucím způsobem

adverb - (in connection with economy) prosperously, in agrowing manner

 

buoyantly - radostně, optimisticky, bujaře

adverb - cheerfully, in a happy way

 

buoy - povzbudit, rozveselit, zvednout náladu. dodat sebejistotu

verb - to cheer someone up, to give someone courage or confidence

 

buoy up - rozveselit, povzbudit

verb - to cheer somebody up, to give someone courage or confidence

 

buoy - nadnášet (ve vodě)

verb - to make something float on water

 

mishap - nehoda, neštěstí, nešťastná náhoda, incident, nepříjemnost

noun - an unlucky event that does not have serious results