formal

US / ˈfɔrməl/

UK /'fɔ:ml/

A2 sơ cấpTOEIC
adj.tính từtuân theo qui định
It was a formal meeting, so men were required to wear business suits and ties
adj.tính từ(cư xử) lịch sự, nhã nhặn
His formal tone sounded very official and even somewhat unfriendly
adj.tính từchình thức
You should make a formal apology for the accident