苦苦 kǔkǔ persistently Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: painful All meanings 7 kǔkǔ 7 persistently 6painful 1 1 sentence for 苦苦 (kǔkǔ — painful) 他在贫困中苦苦挣扎了多年,终于过上了好日子。 tā zài pínkùn zhōng kǔkǔ zhēngzhá le duōnián, zhōngyú guòshàng le hǎo rìzi. After struggling in poverty for many years, he finally lived a good life. Source: Dong Chinese Dictionary