[] to take over a meeting, an idea or a system in a way that other people do not like, in order to achieve what you want操纵◆Its annual meeting was hijacked by critics.年会被反对者操纵了。to take control of sth, especially sb's computer, without their agreement控制（尤指未经同意控制某人的电脑）◆A hacker had hijacked their email system.一名黑客控制了他们的电邮系统。