HSK 7-9
刻不容缓
kèbùrónghuǎnto brook no delay; to demand immediate action
修复受损水坝已经刻不容缓。
Xiū fù shòu sǔn shuǐ bà yǐ jīng kè bù róng huǎn.
Repairing the damaged dam can no longer be delayed.
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Appears across levels (7-9) in the HSK 3.0 word list.