请展开你的观点。

Qǐng zhǎnkāi nǐ de guāndiǎn.

Please elaborate on your point of view.

活动马上就要展开了。

Huódòng mǎshàng jiù yào zhǎnkāile.

The event is about to begin.

会议现在正式展开。

Huìyì xiànzài zhèngshì zhǎnkāi.

The meeting is now officially commencing.