rabbit hole

US /ˈræb.ɪt ˌhoʊl/
UK /ˈræb.ɪt ˌhoʊl/
"rabbit hole" picture
1.

兔子洞

a burrow dug by rabbits as a dwelling

:
The dog sniffed around the rabbit hole, hoping to find its occupant.
狗在兔子洞周围嗅探,希望能找到里面的住户。
We saw a tiny rabbit hole at the base of the old oak tree.
我们在老橡树的底部看到了一个很小的兔子洞
2.

兔子洞, 复杂局面, 无底洞

a metaphor for a bizarre, confusing, or difficult situation or process that is hard to escape from, often leading to further complications or unexpected discoveries

:
I fell down a rabbit hole of conspiracy theories online.
我在网上陷入了阴谋论的兔子洞
Researching my family history led me down a fascinating rabbit hole.
研究我的家族历史让我陷入了一个迷人的兔子洞