2 sentences

1. 你们得抓紧时间了。

   nǐ​men děi zhuā​jǐn shí​jiān le.

   You have to hurry.

   Source: OpenSubtitles

2. 考试时间只剩下最后十分钟了，请抓紧时间答题。

   kǎo​shì shí​jiān zhǐ shèng​xià zuì​hòu shí fēn​zhōng le, qǐng zhuā​jǐn shí​jiān dá tí.

   There are only ten minutes left in the exam; please hurry up and finish answering the questions.

   Source: Dong Chinese Dictionary