on board - na palubě
BrE
/ɒn'bɔ:d/
AmE
/ɑ:n'bɔ:rd/

adverb - on a ship etc.

 
obviously - zřejmě, viditelně, očividně
BrE
/'ɒbviəsli/
AmE
/'ɑ:bviəsli/

adverb - in a way that is easy to see or understand

order
order - objednávka
BrE
/'ɔ:də/
AmE
/'ɔ:rdər/

noun - the act of asking for a service or goods

 
overseas - zámořský
BrE
/ˌəʊvə'si:z/
AmE
/ˌoʊvər'si:z/

adjective - connected with a different continent

outgoing
outgoing - společenský (povahou), otevřený (povahou)
BrE
/ˌaʊt'gəʊɪŋ/
AmE
/ˌaʊt'goʊɪŋ/

adjective - friendly and interested in other people, not shy or selfish

 
outlook - pohled (na svět), náhled (na svět)
BrE
/'aʊtlʊk/
AmE
/'aʊtlʊk/

noun - a view of the world, an attitude to the world

 
once-in-a-lifetime - jednou za život
BrE
/ˌwʌnsɪnə'laɪfˌtaɪm/
AmE
/ˌwʌnsɪnə'laɪfˌtaɪm/

adjective - happening only once in a person's life

 
obligation - povinnost, závazek
BrE
/ˌɒblɪ'geɪʃn/
AmE
/ˌɑ:blɪ'geɪʃn/

noun - something that has to be done, something that you must do

oyster
oyster - ústřice
BrE
/'ɔɪstə/
AmE
/'ɔɪstər/

noun - a shellfish that people eat and that sometimes produces pearls

oxygen
oxygen - kyslík
BrE
/'ɒksɪdʒən/
AmE
/'ɑ:ksɪdʒən/

noun - (the chemical element of atomic number 8) the gas in the atmosphere that is needed by living things in order to live

 
owner - majitel, vlastník
BrE
/'əʊnə/
AmE
/'oʊnər/

noun - the person who something belongs to

oval
oval - ovál
BrE
/'əʊvl/
AmE
/'oʊvl/

noun - a shape like an egg

oval
oval - oválný
BrE
/'əʊvl/
AmE
/'oʊvl/

adjective - shaped like an egg

 
outwards - směrem ven, ven
BrE
/'aʊtwədz/
AmE
/'aʊtwərdz/

adverb - towards the outside

 
output - výstup, výkon
BrE
/'aʊtpʊt/
AmE
/'aʊtpʊt/

noun - things that are produced somewhere, the quantity of products