device
/dɪˈvaɪs/noun
1
- a thing made or adapted for a particular purpose, especially a mechanical or electronic contrivance（尤指机械或电子）装置：
a measuring device.
测量装置。
1.1
- an explosive contrivance; a bomb爆炸装置; 炸弹：
an incendiary device.
燃烧弹。
1.2
- mass noun archaic the design or look of something〈古〉（某物的）样式; 外表：
works of strange device.
样式古怪的作品。
2
- a plan, scheme, or trick with a particular aim（有特定目的的）计划, 阴谋; 诡计：
writing a public letter is a traditional device for signalling dissent.
写公开信是一种传统的表示异议的手段。
2.1
- a turn of phrase intended to produce a particular effect in speech or a literary work（在言语或文学作品中产生特定效果的）修辞手法（或技巧）：
a rhetorical device.
修辞手法。
3
- a drawing or design图画; 设计：
the decorative device on the invitations.
请贴上的装帧设计。
3.1
- an emblematic or heraldic design标记性图案; 纹章图案：
their shields bear the device of the Blazing Sun.
他们的盾形徽章上有炽阳的图案。
短语
leave someone to their own devices
- leave someone to do as they wish without supervision让…自行其是, 听任…自行决定。
词源
Middle English: from Old French devis, based on Latin divis- divided， from the verb dividere. The original sense was 'desire or intention'， found now only in leave a person to his or her own devices (which has become associated with sense 2).