1. leave sb. to his own devices : 听任某人做；
名词
1. 装置;设备;器具;仪器
A device is an object that has been invented for a particular purpose, for example for recording or measuring something.
2. 手段;策略;方法;技巧
A device is a method of achieving something.
3. 听任…自便;让…自行发展;不去管
If you leave someone to their own devices, you leave them alone to do as they wish.
1. any clever maneuver
e.g. he would stoop to any device to win a point
it was a great sales gimmick
a cheap promotions gimmick for greedy businessmen
2. an instrumentality invented for a particular purpose
e.g. the device is small enough to wear on your wrist
a device intended to conserve water
3. an emblematic design (especially in heraldry)
e.g. he was recognized by the device on his shield
4. any ornamental pattern or design (as in embroidery)
5. something in an artistic work designed to achieve a particular effect