official (adj)
 /əˈfɪʃ.əl/

chính thức

used about information that someone in authority provides

referee (n)
/ˌref.əˈriː/

trọng tài

someone whose job is to make sure that players in a game obey the rules

formalize (v)
/ˈfɔːr.mə.laɪz/

chính thức hóa

to make something such as a plan, system, or agreement official

rationale (n)
 /ˌræʃ.əˈnæl/

lý do căn bản

a set of reasons or a logical basis for a course of action or belief

assume (v)
/əˈsuːm/

làm ra vẻ, giả bộ

to pretend to have a particular feeling or attitude

facility (n)
/fəˈsɪlət̮i/

sự dễ dàng, trôi chảy

absence of difficulty or effort

circumstance (n)
/ˈsɝː.kəm.stæns/

hoàn cảnh, trường hợp

a fact or condition that affects a situation

committee (n)
/kəˈmɪt.i/ 

ủy ban

a group of people who represent a larger group or organization

federation (n)
/ˌfed.əˈreɪ.ʃən/

liên đoàn

a large organization made up of several smaller organizations or groups that share similar aims

spectator (n)
spekˈteɪ.tɚ/

người xem, khán giả

someone who watches a public activity or event, especially a sports event

squad car (n)
 /skwɒd kɑːr/

xe tuần tra của cảnh sát

a car used by police officers

championship (n)
/ˈtʃæm.pi.ən.ʃɪp/

chức vô địch, quán quân

a competition to find the best player or team in a sport or game

inclusion (n)
 /ɪnˈkluː.ʒən/

sự bao gồm cả

the action or state of including or of being included within a group or structure

alternate (v)
/ˈɑːl.t̬ɚ..neɪt/

xen kẽ, thay phiên

to happen or come one after another, in a regular pattern that keeps being repeated

propose (v)
/prəˈpoʊz/

đề xuất

to suggest a plan, idea, or action

walkie talkie radio (n)
/ˌwɑː.kiˈtɑː.ki ˈreɪ.di.oʊ/

bộ đàm xách tay

a system of broadcasting information that you can carry and communicate with someone else who also has one

phenomenon (n)
/fəˈnɑmənən/

hiện tượng

an event or situation that can be seen to happen or exist

oversight (n)
/ˈoʊ.vɚ.saɪt/

sự quên sót

something that you do not notice

conceptualize (v)
/kənˈsep.tju.ə.laɪz/

khái niệm, quan niệm

to form an idea about what something is like or how it should work

content to (adjphrase)
/kənˈtent tə/

hài lòng, bằng lòng với

willing to accept something; satisfied