Is it possible to have an extrapolation on the meaning of this phrase? The structure does not make sense to me.
It means “Maybe your older brother is angry at you.”
“生someone的气” means “to be angry at someone”
If you like grammar, then the Chinese grammar wiki is your friend -
But, often times, you are better off to just guess.
What would have been your best guess here?
Let your brain struggle with it.
When it finally clicks, it will click at a deeper level.
Can’t put into words how much I agree with this. This is true with grammar and when figuring out the meaning of unfamiliar words, don’t be to quick to click on yellow words give it a few seconds to think it over.