spontaneous - samovolný (potrat, výbuch, ap.)
BrE
/spɒn'teɪniəs/
AmE
/spɑ:n'teɪniəs/

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

 
mutate - mutovat (geneticky)
BrE
/mju:'teɪt/
AmE
/'mju:teɪt/

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

 
mutate - přeměnit se
BrE
/mju:'teɪt/
AmE
/'mju:teɪt/

verb - to change into something different

prankster
prankster - šprýmař, vtipálek (dělající kanadské žertíky)
BrE
/'præŋkstə/
AmE
/'præŋkstər/

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

cowardice
cowardice - zbabělost
BrE
/'kaʊədɪs/
AmE
/'kaʊərdɪs/

noun - the lack of courage or bravery

practical joke
practical joke - kanadský žertík
BrE
/ˌpræktɪkl'dʒəʊk/
AmE
/ˌpræktɪkl'dʒoʊk/

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

 
nag - hlodat, připomínat se
BrE
/'næg/
AmE
/'næg/

verb - to worry someone all the time, to keep coming to someone's mind

puppeteer
puppeteer - loutkař, loutkoherec
BrE
/ˌpʌpə'tɪə/
AmE
/ˌpʌpə'tɪr/

noun - someone who performs with puppets

 
in the short term - z krátkodobého hlediska, krátkodobě
BrE
/ɪn ðə 'ʃɔ:t tɜ:m/
AmE
/ɪn ðə 'ʃɔ:rt tɜ:m/

adverb - over a short period of time

 
in the short run - z krátkodobého hlediska, krátkodobě
BrE
/ɪn ðə 'ʃɔ:t rʌn/
AmE
/ɪn ðə 'ʃɔ:rt rʌn/

adverb - in the near future

 
in the long term - z dlouhodobého hlediska, dlouhodobě
BrE
/ɪn ðə 'lɒŋ tɜ:m/
AmE
/ɪn ðə 'lɑ:ŋ tɜ:rm/

adverb - over a long period of time

 
in the long run - z dlouhodobého hlediska
BrE
/ɪn ðə 'lɒŋ rʌn/
AmE
/ɪn ðə 'lɑ:ŋ rʌn/

adverb - much later in the future

 
lease - pronajmout, pronajmout si
BrE
/'li:s/
AmE
/'li:s/

verb, formal - to use a house, a piece of land etc under a lease, or to let someone use it

 
lease - nájem, pronájem, smlouva o nájmu, smlouva o pronájmu
BrE
/'li:s/
AmE
/'li:s/

noun, formal - a legal agreement that allows you to use someone's house, building or piece of land in return for payment

 
lessee - nájemce
BrE
/le'si:/
AmE
/le'si:/

noun, formal - someone who uses someone else's house, building or piece of land on a lease