大事

HSK 5

dàshì

major event; important affair

major political event (war or change of regime); major social event (wedding or funeral); (do sth) in a big way; CL:件[jian4],樁|桩[zhuang1]

他办了一件大事。

Tā bàn le yī jiàn dàshì.

He did something important.

这次会议是一件大事。

Zhè cì huìyì shì yī jiàn dàshì.

This meeting was an important matter.