adj.无键的；无缝的；无钥匙的，（钟表等）不用钥匙上发条的

The hotel offers keyless entry to its rooms for added security.
酒店为增加安全性提供了无钥匙房间进入服务。
I just bought a new car with a keyless ignition system.
我刚买了一辆带有无钥匙启动系统的新车。
She fumbled in her purse for the keyless remote to unlock her door.
她在包里摸索着找无钥匙遥控器来解锁门。
The keyless door lock is more convenient than traditional locks.
无钥匙门锁比传统锁更方便。
He programmed his smartphone as a keyless entry device for his apartment.
他将智能手机编程为公寓的无钥匙进入设备。
The keyless access system ensures only authorized personnel can enter the building.
无钥匙访问系统确保只有授权人员可以进入大楼。
After losing my keys, I decided to install a keyless entry system for peace of mind.
在丢失了我的钥匙后，我决定安装一个无钥匙进入系统以安心。
The gym has keyless entry, so you don't need to carry around an access card.
这家健身房有无钥匙进入，所以你不必随身携带准入卡。
The keyless door lock malfunctioned and wouldn't let me in my own house.
无钥匙门锁出了故障，不让我进自己的房子。
The keyless entry system uses Bluetooth technology to connect to your phone.
无钥匙进入系统使用蓝牙技术与您的手机连接。