To take a ride, a user scans the QR code on the bike, unlocks the smart lock and starts a timer.

　　要骑车，用户手机扫描车身二维码，打开智能锁，计时开始。

　　After enjoying the fresh service of new bike-lending initiative /??n??.?.t??v/ Mobike, many users have begun to complain of its flaws.

　　在体验了新形式的单车共享服务之后，许多用户开始抱怨其中的缺陷。

　　The major problem is that bikes are too heavy and can be challenging for female users. Others include inaccurate GPS positioning, long unlocking time and unadjustable bike seats.

　　最大的问题就是车子太重，对于许多女性用户来讲很难用。其他问题包括GPS定位不准，开锁时间过长以及车座不能调整高度。