godan verb (-mu), intransitive verb
become complicated; get tangled; be intricate
Describes situations, relationships, or physical structures that become complex, entangled, or convoluted.
話が入り組んでいて、何が問題なのかわからない。
The story is so complicated that I can't tell what the problem is.
この路地は入り組んでいるから、初めての人は迷いやすい。
These alleys are intricate, so first-timers tend to get lost.