"on the verge of doing" in Chinese (Simplified)
快要（做）即将（做）
Definition
用于表示某人即将做某事，或某事快要发生。
Usage Notes (Chinese (Simplified))
多用于正式或叙述语境。常见搭配如“快要哭了”、“即将成功”、“快要崩溃”。强调事情还没发生，但很快就会发生。
Examples
She was on the verge of doing something amazing.
她**快要做**一件了不起的事情。
He was on the verge of doing his homework when the phone rang.
他**正要做**作业时，电话响了。
I’m on the verge of doing something new.
我**即将做**一件新事。
She looked like she was on the verge of doing something she’d regret.
她看起来**快要做**一些会后悔的事。
We were on the verge of doing something crazy just for fun.
我们**差点做**一件疯狂的事，只是为了好玩。
He’s always on the verge of doing something new, but never actually does.
他总是**快要做**点新鲜事，但总也没做成。