虚 xū HSK5 void, false Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: timid All meanings 7 xū 7 false 3abstract 1empty 1timid 1weak 1 1 sentence for 虚 (xū — timid) 由于没做好准备,他在台上演讲时心里很虚。 yóuyú méi zuò hǎo zhǔnbèi, tā zài tái shàng yǎnjiǎng shí xīnli hěn xū. Because he wasn't well-prepared, he felt very insecure while giving his speech on stage. Source: Dong Chinese Dictionary