大家好

dàjiāhǎo

Hello everyone

Sounds roughly like dah-jyah how

Literal meaning

big · family · good

大
dà
da4
44th · falling
d (unaspirated, like a soft “d”) + ah. Fall.
家
jiā
jia1
11st · high
j (flat-tongue “jee”) + yah, held high and level.
好
hǎo
hao3
33rd · dipping
Dipping 好. This is how you open a group chat or a small talk.

大家好，欢迎来中国。

Dàjiā hǎo, huānyíng lái Zhōngguó.

Hello everyone — welcome to China.