挺直 tǐngzhí straighten Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: upright All meanings 4 tǐngzhí 4 straighten 3upright 1 1 sentence for 挺直 (tǐngzhí — upright) 他坐得非常挺直,显得很有精神。 tā zuò de fēicháng tǐngzhí, xiǎnde hěn yǒu jīngshen. He sat very upright and looked very energetic. Source: Dong Chinese Dictionary