client /ˈklaiənt/ n. ［c］ 委托人，顾客，主顾：The client is conferring with his lawyer. 委托人正在跟他的律师商议。 She can't come to the telephone; she's serving a client.她不能来接电话，她正在接待一位顾客。On behalf of my client, I would like to remind you of your obligations in this matter.谨代表我的客户提醒你在这件事中的责任。