Extremely busy; unable to extricate oneself from a situation.
开打开，解开；交相错，纠缠。形容没法解开或摆脱。
清·姬文《市声》第二十四回两口子正在吵得不可开交。”
She was up to her neck in work and couldn't get away; it was a real '不可开交' situation.
Learn the next connected idiom: 不可开交 (bù kě kāi jiāo) → 交相辉映 (jiāo xiāng huī yìng)
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