put sth ↔ in phr v [T] 1 put in a claim/request to officially ask for something 提出要求/请求 2 to spend time or effort doing something 花费〔时间或精力〕: Doug's been putting in a lot of hours at work recently. 近来道格在工作上投入了许多时间。 3 to add or replace equipment in your home 〔家中〕添置，更换，安装〔设备〕: They're having a new bathroom put in. 他们在安装一套新的浴室设备。