USA
USA - USA
BrE
/ˌju:es'eɪ/
AmE
/ˌju:es'eɪ/

noun - (abbreviation) United States of America

 
UK - UK
BrE
/ˌju:'keɪ/
AmE
/ˌju:'keɪ/

noun - (abbreviation) United Kingdom

 
UCLA - UCLA
BrE
/'ju:'si:'el'eɪ/
AmE
/'ju:'si:'el'eɪ/

noun - (abbreviation) The University of California in Los Angeles

ungrateful
ungrateful - nevděčný
BrE
/ʌn'greɪtfl/
AmE
/ʌn'greɪtfl/

adjective - not showing thanks, esp. when you should

 
urine - moč
BrE
/'jʊərɪn/
AmE
/'jʊrɪn/

noun - the liquid that leaves the body when you go to the toilet

 
unassuming - skromný
BrE
/ʌnə'sju:mɪŋ/
AmE
/ʌnə'su:mɪŋ/

adjective - quiet and not wanting to be noticed, admired etc.

 
undisturbed - nerušený
BrE
/ʌndɪs'tɜ:bd/
AmE
/ʌndɪs'tɜ:rbd/

adjective - not disturbed, bothered or interrupted

 
undersea - podmořský
BrE
/'ʌndəsi:/
AmE
/'ʌndərsi:/

adjective - happening under the sea

 
undiscovered - neobjevený
BrE
/ʌndɪs'kʌvəd/
AmE
/ʌndɪs'kʌvərd/

adjective - not discovered or not found

 
unwary - neopatrný
BrE
/ʌn'weəri/
AmE
/ʌn'weri/

adjective - not knowing about a risk, not careful

 
unafraid - nebojácný, bez starosti, beze strachu
BrE
/ˌʌnə'freɪd/
AmE
/ˌʌnə'freɪd/

adjective - without fear

 
untidiness - neupravenost, nepořádek, neuklizenost
BrE
/ʌn'taɪdɪnəs/
AmE
/ʌn'taɪdɪnəs/

noun - an untidy state

 
urgently - naléhavě, urgentně, spěšně
BrE
/'ɜ:dʒəntli/
AmE
/'ɜ:rdʒəntli/

adverb - immediately

 
unwillingness - neochota
BrE
/ʌn'wɪlɪŋnəs/
AmE
/ʌn'wɪlɪŋnəs/

noun - the state of not wanting to do something that is asked of you

 
undoubtedly - bezpochyb, nepochybně
BrE
/ʌn'daʊtɪdli/
AmE
/ʌn'daʊt̬ɪdli/

adverb - without question, without doubt