Word: 螳臂当车 (tángbìdāngchē) Traditional: 螳臂當車 螳臂当车 dictionary entry tángbìdāngchē a mantis trying to stop a chariot (idiom); to overrate oneself and attempt sth impossible Full dictionary entry for 螳臂当车 Example sentences using 螳臂当车 2 sentences, showing page 1 of 1. 螳臂当车,可笑不自量 tángbìdāngchē, kěxiào búzìliàng A mantis raising its arms to stop a cart: laughably overestimating itself 螳臂当车,太不自量 tángbìdāngchē, tài búzìliàng A mantis raising its arms to stop a cart: far too overrating itself