If you describe a place as labyrinthine, you mean that it is like a labyrinth.
例句
The streets of the Old City are narrow and labyrinthine.老城區的街道狹促曲折，好似迷宮一般。
ADJ-GRADED
錯綜復雜的；盤根錯節的；令人費解的
If you describe a situation, process, or field of knowledge as labyrinthine, you mean that it is very complicated and difficult to understand.
例句
...his failure to understand the labyrinthine complexities of the situation.他對這一錯綜復雜的情況摸不著頭腦
英英詞典釋義
Adjective
1. relating to or affecting or originating in the inner ear;
"labyrinthine deafness"
2. resembling a labyrinth in form or complexity;
"a labyrinthine network of tortuous footpaths"
3. highly involved or intricate;
"the Byzantine tax structure""convoluted legal language""convoluted reasoning""intricate needlework""an intricate labyrinth of refined phraseology""the plot was too involved""a knotty problem""got his way by labyrinthine maneuvering""Oh, what a tangled web we weave"- Sir Walter Scott"tortuous legal procedures""tortuous negotiations lasting for months"