keep...low-key 保持低调；对......低调点
Let's keep this party low-key this year. We don't want to anger the neighbors again.
今年的派对咱们低调点，我们可不想再惹怒邻居了。
keep的引申用法
keep up the good work 再接再厉
Father: Your grades are fine, Bill. Keep up the good work. 你的成绩不错，Bill。再接再厉！ Bill: Thanks, Dad. Will do! 谢谢，爸！我会的！
keep pace with 与…保持同步
The earnings of the average American have failed to keep pace with the rate of inflation.
一般美国人的收入跟不上通货膨胀率。
