Meaning of dà shì:
大事
(do sth) in a big way; CL:件[jian4],樁|桩[zhuang1]; major event; major political event (war or change of regime); major social event (wedding or funeral)
Tā zǒng shì zài jìhuà dà shì, xiǎng zuò diǎn bùtóng fánxiǎng de shìqíng.
她总是在计划大事,想做点不同凡响的事情。
She is always planning to do something big, aiming to achieve something extraordinary.
Zhè jiàn shì duì wǒ lái shuō shì gè dà shì.
这件事对我来说是个大事。
This matter is a big deal to me.
Zhè cì de huìyì shì yī gè fēicháng zhòngyào de dàshì.
这次的会议是一个非常重要的大事。
This meeting is a very important major event.
Nà chǎng zhànzhēng shì lìshǐ shàng de yī cì zhòngdà dàshì.
那场战争是历史上的一次重大大事。
That war was a major event in history.
Tāmen xià gè yuè yào bàn yīgè dàshì, huānyíng lái cānjiā.
他们下个月要办一个大事,欢迎来参加。
They are holding a major event next month, and you are welcome to attend.