instrument
noun
ˈɪnstrʊəmənt noun
1
TOOL
工具
a small tool used in work such as science or medicine 〔科学、医学等工作用的小巧的〕器械，器具
surgical instruments
外科（手术）器械
2
MUSIC
音乐
an object used for producing music, such as a piano or VIOLIN 乐器;
electronic instruments
电子乐器
brass/ wind/percussion/stringed etc instrument
3
FOR MEASURING
用于测量
a piece of equipment for measuring and showing distance, speed, temperature etc 仪器，仪表
a failure of the flight instruments
飞行仪表的失灵
sensitive earthquake-detecting instruments
灵敏的地震探测仪
4
METHOD
方法
something or someone that is used to get a particular result 促成某事的物 （人 ）; 手段，方法 usually singular 一般用单数
[+ of ]
Interest rates are an important instrument of economic policy.
利率是经济政策的重要调控手段。
instrument for (doing) sth
Good management should be an instrument for innovation.
良好的管理应当是促成创新的手段。
5
FOR HURTING
用于伤害
something that is used to hit or hurt someone 〔伤害他人的〕工具
Death was due to a blow on the head with a blunt instrument .
死亡是由于钝器击中头部所致。
instrument of torture
6
instrument of fate/God
someone or something that is used by a power beyond our control [文] 受命运/上帝摆布的人 （物 ） literary