to stay alert and watch carefully
保持警惕并仔细观察 (baochi jingti bing zixi guancha)
"Keep your eyes peeled for any signs of trouble."
"注意任何问题的迹象。" (Zhuyi renhe wenti de jixian)
to make brief contact with someone for an update
to aim for a difficult or ambitious goal
something that makes you cry, especially a movie or story
very jealous
to finish something completely
to give someone responsibility for something important