on-the-spot - na místě

adjective - happening directly at the place at the time

old-fashioned - staromódní

adjective - dressing like people dressed in the past, having ideas like people had in the past etc.

 

outstretched - natažený, roztažený

adjective - extended; reaching far; spread wide

 

on board - na palubě

adverb - on a ship etc.

 

obviously - zřejmě, viditelně, očividně

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

 

order - objednávka

noun - the act of asking for a service or goods

order - objednat si, objednat

verb - to ask a waiter for a certain food or drink, to ask a supplier to send you certain goods etc.

 

opposing - nepřátelský

adjective - connected with the enemy or opponent

obvious - zřejmý, viditelný

adjective - easy to see, easy to understand

 

overseas - zámořský

adjective - connected with a different continent

outgoing - společenský (povahou), otevřený (povahou)

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

 

outlook - pohled (na svět), náhled (na svět)

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

 

once-in-a-lifetime - jednou za život

adjective - happening only once in a person's life

 

obligation - povinnost, závazek

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

oyster - ústřice

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