/kə'mɪʃn; kə`mɪʃən/
n
1 [C] ~ (to do sth) action, task or piece of work given to sb to do （交付某人进行的）行动、任务或工作; 委托
*She has received many commissions to design public buildings.她接受多项委托, 设计公共建筑.
2 (often 常作 Commission) [C]
(a) group of people authorized to carry out a task （受权执行任务的）委员会
*the Civil Service Commission, ie the body that selects staff for the Civil Service 公务员叙用委员会（遴选公务员的机构）.
(b) ~ (on sth) group of people officially set up to make an inquiry and write a report 考查团; 调查团
*a Royal Commission on (ie reporting on) betting and gambling 由英王委派的赌博调查团.
3 [U] ~ (of sth) (fml 文) doing (sth wrong or illegal 做（坏事或不法的事）)
*the commission of a crime 犯罪
* a sin of commission (ie actually doing sth wrong) rather than omission 违法罪（主动做坏事）而不是疏忽罪.
4 [C, U] payment to sb for selling goods which increases with the quantity of goods sold 佣金; 回扣; 酬劳金
*You get
(a) 10% commission on everything you sell. 你可从售出的每种货物中得到10%佣金.
* earn
2000 (in) commission 挣得2000英镑酬劳金
* She is working for us on commission, ie is not paid a salary. 她按挣回扣方式为我们工作（没有薪水）.
5 [C] (document signed by the monarch appointing sb to the) rank of an officer in the armed services （帝王签署授予某人的）军官资格（的委任状）
*He resigned his commission to take up a civilian job. 他辞去军职而从事平民工作.
6 (idm 习语) in/into com`mission (esp of a ship) in/into service （尤指船、舰）在使用中, 服现役
*Some wartime vessels are still in commission. 有些战时的军舰仍在服役. ,out of com`mission
(a) (esp of a ship) not in service （尤指船、舰）不在使用中; 退出现役
*With several of their planes temporarily out of commission, the airline is losing money. 航空公司因有几架飞机暂时不能使用而正在赔钱.
(b) (fig 比喻) not available; not working 不能得到; 不工作
*I got flu and was out of commission for a week. 我得了流感,一星期没工作.

v
1 (a) [Tn, Dn.t] give a commission(1) to (sb) 交付（某人）任务或工作; 委托
*commission an artist to paint a picture 委托画家画一幅画.
(b) [Tn] give sb the job of making (sth) 交付某人制作（某物）的工作
*He commissioned a statue of his wife. 他请人制作他妻子的雕像.
2 [usu passive 通常用于被动语态
*Tn, Cn.n, Cn.n/a] ~ sb as sth appoint sb officially by means of a commission (5) 正式授予某人军官资格（的委任状）
*She was commissioned (as a) lieutenant in the Women's Army Corps. 她被委任为陆军妇女队的中尉.
3 [Tn] bring (machinery, equipment, etc) into operation 使（机器、设备等）开始使用
*The nuclear plant now being built is expected to be commissioned in five years' time. 正在建造的核电站预计在五年後投产.

The Salt Commission was an organization in Tang China used to raise tax revenue from the state monopoly of the salt trade.