决定好

have decided

→ 决定
phrase Rare #26,726
have decided 好 indicates that the decision is settled or complete.
CH: 我决定好以后再告诉你。
EN: I’ll tell you once I’ve decided.

我还没有决定好

I haven't decided yet.

— 月升王国 (2012)

决定好的话请第一时间告诉我。

Please let me know as soon as you’ve made up your mind.

你决定好了吗?

Have you made up your mind?

那你决定好了吗

So, have you made up your mind?

— 那些年,我们一起追的女孩 (2011)

你自己赶紧决定好我可不想最后听到抱怨说"是贺林逼我的"

You’d better make up your mind quickly. I don’t want to hear you complaining later that “He Lin made me do it.”

— 伊万的童年 (1962)