the World cup (n)
/ðə wɜrːld kʌp/

a football competition held every four years between teams from many countries in order to decide which is the best team

SEA Games (n)
/siː ɡeɪms/

the Southeast Asian Games, is a biennial multi-sport event involving participants from the current 11 countries of Southeast Asia

opening (n)
/ˈoʊp.nɪŋ/

a ceremony at the beginning of an event or activity

Grand Slam (n)
/ɡrænd slæm/

one of the important competitions held in a sport such as tennis, rugby or golf during one year

Asian Games (n)
/ˈeɪ.ʒən ɡeɪmz/

a continental multi-sport event held every four years among athletes from all over Asia

The International Basketball Federation (n)
/ðə ˌɪnt̬ɚˈnæʃənəl ˈbæs.kɪt.bɑːl fedəˈreɪʃən/

an association of national organizations which governs international competition in basketball (FIBA)

Union of European Football Associations (n)
/ˈjun·jən ɑvˌjʊr.əpi·ən ˈfʊtˌbɑːl əˌsoʊʃiˈeɪʃənz/

the administrative body for association football in Europe and, partially, Asia (UEFA)

International Boxing Federation (n)
/ˌɪnt̬ɚˈnæʃənəl ˈbɑːksɪŋ fedəˈreɪʃən/

it is one of four major organizations recognized by the IBHOF which sanction world championship boxing bouts (IBF)

National Basketball Association (n)
/ˈnæʃ.nəl ˈbæs.kɪt.bɑːl əˌsoʊʃiˈeɪʃən/

the pre-eminent men's professional basketball league in North America, and is widely considered to be the premier men's professional basketball league in the world (NBA)

World Chess Federation (n)
/wɝːld tʃes fedəˈreɪʃən/

an international organization connecting the various national chess federations around the world and acts as the governing body of international chess competition (FIDE)

The Asian Football Confederation (n)
/ðə ˈeɪ·ʒən ˈfʊt.bɑːl kənˌfedəˈreɪʃən/

the national organization for football in Asia (AFC)

International Association of Athletics Federations (n)
/ɪnt̬ɚˈnæʃənəl əˌsoʊʃiˈeɪʃən ɑv æθˈlet̬ɪks fedəˈreɪʃəns/

the international governing body for the sport of athletics (IAAF)

The Olympic Games (n)
/ðə oʊˈlɪm.pɪks ɡeɪmz/ 

a set of international sports competitions that happen once every four years

The Paralymic Games (n)
/ˌper.əˈlɪm.pɪks ɡeɪmz/

an international sports competition for people with physical disabilities, which happens every four years immediately after the Olympics

The Champions League (n)
/ðə ˈtʃæm.pi.ən liːɡ/

a football competion held each year between the best teams from each country in Europe

The Premier League (n)
/prɪˈmɪr liːɡ/

the top football league in England since 1992, consisting of 20 teams from England and Wales

International Marathon (n)
 /ˌɪn.t̬ɚˈnæʃ.ən.əl ˈmær.ə.θɑːn/

it is an international long-distance running event in which the running race is about 42.195 kilometres

The Winter Olympics Games (n)
 /ðə ˈwɪn.t̬ɚ əˈlɪm.pɪks ɡeɪms/ 

a major international sporting event that occurs once every four years with the feature sports practiced on snow and ice

The International Volleyball Federation (n)
/ðə ɪnt̬ɚˈnæʃənəlˈvɑː.li.bɑːlˌfedəˈreɪʃən/

the international governing body for the sport of indoor, beach and grass volleyball (FIVB)

International Federation of Association Football (n)
/ˌɪnt̬ɚˈnæʃənəl fedəˈreɪʃən ɑv əˌsoʊʃiˈeɪʃən ˈfʊt.bɑːl/

the organization that controls international football and organizes the World Cup (FIFA)