司机在高速入口逆行,造成多车紧急避让。Sījī zài gāosù rùkǒu nìxíng, zàochéng duō chē jǐnjí bìràng.The driver drove the wrong way at the motorway entrance, forcing several vehicles to take emergency evasive action.
自行车在单行道上逆行,非常危险。Zìxíngchē zài dānxíngdào shàng nìxíng, fēicháng wēixiǎn.Riding a bicycle against the traffic on a one-way street is very dangerous.
他在楼梯上逆行,差点和迎面走来的人撞上。Tā zài lóutī shàng nìxíng, chàdiǎn hé yíngmiàn zǒulái de rén zhuàngshàng.He went against the flow on the stairs and almost bumped into someone coming the other way.