HSK 7-9
苦恼
kǔnǎo形
vexed; distressed
这个选择让她十分苦恼。
Zhè ge xuǎnzé ràng tā shífēn kǔnǎo.
This choice caused her great distress.
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Appears across levels (7-9) in the HSK 3.0 word list.