(transitive, intransitive) to open, be open (a door, lid, path, source code)
(transitive) to unfold, expand, open up
(transitive) to turn on, start up (a computer, light, fan)
(transitive) to open for business
(transitive) to launch, inaugurate (an investigation, conference, military campaign)
(transitive) to mark the beginning of (an era, situation)

mở bài
noun

(writing, of an essay) an introduction

mở cửa
verb

(literally and figuratively) to open the door

mở mang
verb

to extend; to expand (one's knowledge, etc.)

mở màn
verb

to raise the curtain (to start a performance)
(figuratively, colloquial) to begin; to start

mở nắp chai

mở nắp chai
noun

bottle opener

mở rộng

mở rộng
verb

to extend; to expand; to enlarge

mở toang
verb

to open wide

mở đầu

mở đầu
verb

to begin; to start

美
character

chữ Hán form of mĩ/mỹ (“beautiful; pretty; good”).

chữ Hán form of mã (“horse”).
chữ Hán form of mã (“(xiangqi) a knight; any piece labeled with 馬”).
Nôm form of mả (“tomb; grave”).

adj

Nôm form of mứa (“excessive”).

verb

Nôm form of mựa (“(dialectal) don't”).
Nôm form of mở (“to open”).

𩦓
character

to open