开展

zhēn duì zhè cì àn jiàn jǐng fāng kāi zhǎn le diào chá

针对这次案件，警方开展了调查。

The police launched an investigation into the case.

dà jiā yǒu xù kāi zhǎn gōng zuò

大家有序开展工作。

We carried out our work in an orderly manner.

xué xiào kāi zhǎn le gè zhǒng jìng sài

学校开展了各种竞赛。

The school held various competitions.

chūn jié huā zhǎn míng tiān kāi zhǎn

春节花展明天开展。

Spring Festival Flower Show will be unveiled tomorrow.

zhèng zhì kāi zhǎn

政治开展

be quick in political progress

sī xiǎng kāi zhǎn

思想开展

open-minded