opportunity - příležitost
BrE
/ˌɒpə'tju:nəti/
AmE
/ˌɑ:pə'tu:nət̬i/

noun - a chance to do something

 
office block - administrativní budova
BrE
/'ɒfɪsˌblɒk/
AmE
/'ɑ:fɪsˌblɑ:k/

noun - a building in which there are offices

over
over - přes
BrE
/'əʊvə/
AmE
/'oʊvər/

preposition - to the other side of something

 
origin - původ
BrE
/'ɒrɪdʒɪn/
AmE
/'ɑ:rɪdʒɪn/

noun - the place or time where something has come from

office worker
office worker - úředník
BrE
/'ɒfɪsˌwɜ:kə/
AmE
/'ɑ:fɪsˌwɜ:rkər/

noun - a person who works at an office

 
overtime - přesčas
BrE
/'əʊvəˌtaɪm/
AmE
/'əʊvərˌtaɪm/

noun - the work that you do after your regular working hours

 
of - předložka s druhým pádem
BrE
/'ɒv/
AmE
/'ɑ:v/

preposition - a common English preposition that often expresses possession, origin and many other things

 
or - nebo
BrE
/'ɔ:/
AmE
/'ɔ:r/

conjunction - a conjuction that expresses alternative

 
out - venku, ven
BrE
/'aʊt/
AmE
/'aʊt/

adverb - not in

 
only - jenom, pouze, jen
BrE
/'əʊnli/
AmE
/'oʊnli/

adverb - having no others

 
organize - organizovat, uspořádat, pořádat, zorganizovat
BrE
/'ɔ:gənaɪz/
AmE
/'ɔ:rgənaɪz/

verb - to plan and arrange something, usually an event etc.

offer
offer - nabídnout, nabízet
BrE
/'ɒfə/
AmE
/'ɑ:fər/

verb - to ask if somebody would like something

 
outback - australská pustina
BrE
/'aʊtbæk/
AmE
/'aʊtbæk/

noun - the desert areas of central Australia

 
often - často
BrE
/'ɒfn/
AmE
/'ɑ:fn/

adverb - many times, reperatedly, in short intervals

o'clock
o'clock - hodin (při udání času)
BrE
/ə'klɒk/
AmE
/ə'klɑ:k/

noun - the word indicating time when you tell someone what the time is