Senses
外甥打灯笼/ 外甥打燈籠 following the old ways
A pun on "shining on one's uncle", which sounds like "following the old ways" in this 歇后语 (two-part metaphorical riddle); it describes things remaining the same or following precedent without change.
A pun on "shining on one's uncle", which sounds like "following the old ways" in this 歇后语 (two-part metaphorical riddle); it describes things remaining the same or following precedent without change.