navel-gazing
noun/ˈneɪvl ɡeɪzɪŋ/
/ˈneɪvl ɡeɪzɪŋ/
[uncountable] (disapproving)- the fact of thinking too much about a single issue and how it could affect you, without thinking about other things that could also affect the situation
一根筋;钻牛角尖
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