To make harmful or subversive alterations to something; to meddle or interfere with something. Investigators concluded that someone had tampered with the control unit of the machine.He's been accused of tampering with the committee tasked with selecting successful applicants.The locks have not been tampered with and there is no sign of a break-in anywhere on the premises.See also: tamper
tamper with someone or something
to fiddle with someone or something; to meddle with someone or something. I've got him believing just what I want him to believe. Don't tamper with him. Please don't tamper with the thermostat.See also: tamper
1. Interfere or meddle, especially in a harmful way. For example, If you tamper with that lock it's sure to break. [c. 1600] 2. Engage in improper or secret dealings, as in He was accused of tampering with the jury. [c. 1600] See also: tamper
v. To interfere with something in a harmful manner: Someone has been tampering with my mail—these letters have been opened! When jurors reported that they had been offered bribes, the judge told the defense not to tamper with the jury.
See also: tamperSee also:
1．handle ignorantly or foolishly;busy oneself rashly with胡乱处理；瞎弄 He tampered with the insides of his watch and ruined it．他瞎弄手表里的机件，以致把它弄坏了。 2．secretly get sb． to do or say wrong things（esp． by giving him money or by threatening to hurt him）（用不正当的手段）使某人做坏事 The candidate tried to tamper with the voters but in vain．候选人企图收买投票人，但未能得逞。 3．make unauthorized changes in 篡改 The document doesn't seem genuine；it must have been tampered with．这文件不象是真的，肯定被篡改过了。
v. 1. To meddle with (something); handle ignorantly or foolishly. He tampered with the insides of his watch and ruined it. 2. To secretly get someone to do or say wrong things, especially by giving him money, or by threatening to hurt him. A friend of the man being tried in court tampered with a witness.