It's important to study hard, but don't overdo it.

刻苦学习很重要，但不要超过极限。

《柯林斯英汉双解大词典》

Don't overdo it or be fake about it.

不要做得太过，也不要伪装。

youdao

Versatility is another of your strong points, but don't overdo it by having too many irons in the fire.

你还有一个长处是多才多艺， 但不要揽事太多而太露锋芒。

《新英汉大辞典》

So the key is to find what you love to do, do it, but don't overdo it.

所以重要的是找你喜欢做的，好好做，但不要过度。

健康生活 - SpeakingMax英语口语达人

Don't overdo it on Twitter, since too many Tweets may make prospective employer question your focus at work.

FORBES: Your Web identity could make or break you.

We don't want to overdo it.

WSJ: Marlins lose to Mets, waste Fernandez's fine debut

Police say they walk a fine line they don't want to overdo it, but they want to be prepared to respond to a demonstration similar to one on March 10, at which dozens were arrested and which apparently sparked several consecutive night of protests.

WSJ: Police Unnerve Many in East Flatbush