乾乾 qiánqián to strive Definitions Defs Origin Strokes Stroke Words Sentences Sents 2 sentences 让饼干干燥一夜。 ràng bǐnggān gānzào yīyè. Let the cookies dry overnight. Source: CCMatrix他们要一个干干净净的地球。 tāmen yào yīge gāngānjìngjìng de dìqiú. They want a clean planet. Source: CCMatrix