不得了 (bù dé liǎo) means “desperately serious; disastrous; extremely; exceedingly”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
这次暴雨造成的损失可不得了,很多房屋被淹了。
Zhè cì bàoyǔ zàochéng de sǔnshī kě bùdéliǎo, hěn duō fángwū bèi yān le.
The losses caused by this rainstorm are terrible, many houses were flooded.
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