Word: 便宜 (piányi, biànyí) 便宜 dictionary entry piányi cheap; a petty advantage; to let sb off lightly biànyí convenient Full dictionary entry for 便宜 Example sentences using 便宜 2 sentences, showing page 1 of 1. 他们买的自行车很便宜。 Tāmen mǎi de zìxíngchē hěn piányi. The bike they bought is very cheap. 这台电脑很旧，所以比较便宜。 Zhè tái diànnǎo hěn jiù, suǒyǐ bǐjiào piányi. This computer is old, so it's cheaper.