understand
understand - rozumět
BrE
/ˌʌndə'stænd/
AmE
/ˌʌndər'stænd/

verb - to know what something means

under
under - pod
BrE
/'ʌndə/
AmE
/'ʌndər/

preposition - in a lower place, directly below

umbrella
umbrella - deštník
BrE
/ʌm'brelə/
AmE
/ʌm'brelə/

noun - a thing that you hold above your head when it is raining in order not to get wet

unhappy
unhappy - nešťastný
BrE
/ʌn'hæpi/
AmE
/ʌn'hæpi/

adjective - sad, miserable

 
upright - vzpřímený, stojící vzpřímeně
BrE
/ʌp'raɪt/
AmE
/ʌp'raɪt/

adjective - standing straight up, not lying

United States of America
United States of America - Spojené státy americké
BrE
/ju:'naɪtɪd 'steɪts əvə'merɪkə/
AmE
/ju:'naɪt̬ɪd 'steɪts əvə'merɪkə/

noun - a federation of 50 states, the capital is Washington DC

United States
United States - Spojené Státy (Americké)
BrE
/jʊ'naɪtɪd'steɪts/
AmE
/ju:'naɪt̬ɪd'steɪts/

noun - a federation of 50 states, the capital is Washington DC

United Kingdom
United Kingdom - Spojené Království
BrE
/ju:ˌnaɪtɪd'kɪŋdəm/
AmE
/ju:ˌnaɪt̬ɪd'kɪŋdəm/

noun - the country located on the British Isles, its capital is London

 
uncle - strýc, strejda
BrE
/'ʌŋkl/
AmE
/'ʌŋkl/

noun - a brother of one of the parents, or your aunt's husband

 
terminator - terminátor
BrE
/'tɜ:mɪneɪtə/
AmE
/'tɜ:rməneɪt̬ər/

noun - (from a movie) a robot which came from the future to kill an important person in order to change the future

 
tournament - turnaj
BrE
/'tʊənəmənt/
AmE
/'tʊrnəmənt/

noun - a sport event in which many players compete against each other

 
thumbnail - miniatura (obrázku)
BrE
/'θʌmneɪl/
AmE
/'θʌmneɪl/

noun - a very small version of a picture (on a computer screen)

 
thickness - tloušťka
BrE
/'θɪknəs/
AmE
/'θɪknəs/

noun - how thick something is

 
the passive - trpný rod
BrE
/'ðə pɑ:sɪv/
AmE
/'ðə pæsɪv/

noun - a grammatical construction in which the subject is affected by the verb or by the object

treaty
treaty - smlouva, dohoda, pakt, ujednání
BrE
/'tri:ti/
AmE
/'tri:t̬i/

noun - an agreement between countries that is signed by their leaders