The room was lit by spotlights.
房间被聚光灯照亮.
She stood alone on stage in the spotlight.
她独自站在舞台的聚光灯下.

client:a person who uses the services or advice of a professional person or organization 委托人;当事人
a well-known lawyer with many famous clients
拥有许多著名委托人的名律师
to act on behalf of a client
代表当事人
Social workers must consider the best interests of their clients in every situation.
社会福利工作者必须考虑其委托人在各种情况下的最佳利益.

install:to fix equipment or furniture into position so that it can be used 安装;设置
He's getting a phone installed tomorrow.
他明天要装电话.
The hotel chain has recently installed a new booking system.
这家连锁旅馆最近安装了新的预订系统.
I'll need some help installing the software.
我得找人帮忙安装这份软件.