划不来
HSK 7-9not worth it; not profitable; not interesting (cost; effort)
Examples
这么贵还不耐用,太划不来了
So expensive and not durable, it's not worth it.
为了省这点钱跑那么远不划不来
To save this little money by going so far isn't worth it.
熬夜只为看一集,
Staying up late just to watch one episode,
真划不来
It's not worth it