Meaning of zhuā jǐn:
抓紧
to keep a firm grip on; to pay close attention to; to lose no time in (doing sth)
Wǒmen yào zhuājǐn shíjiān wánchéng rènwù.
我们要抓紧时间完成任务。
We need to make the most of the time to complete the task.
Wǒmen yào zài niándǐ qián zhuājǐn wánchéng zhège xiàngmù.
我们要在年底前抓紧完成这个项目。
We need to pay close attention to completing this project before the end of the year.
Wǒmen yào zài xiàngmù qīxiàn nèi zhuājǐn wánchéng rènwù.
我们要在项目期限内抓紧完成任务。
We need to lose no time in completing the task within the project deadline.