harm to advantage

Be careful not to play favorites. It can harm your credibility as a fair leader and can backfire with friends who may take advantage of you.

千万不要偏心。偏心会影响到你的公信度，对你的朋友可能也会起到一个适得其反的作用，因为他们可能会恃宠而骄。

Based on natural model, application of bionic principle to take advantage of its benefits and avoid its harm will set up an innovative platform for scientists.

运用仿生学原理在天然模型面前扬其利，避其害，将为科学工作者提供一个崭新的科研思维平台。

Atired mind and body cannot accomplish this to the best advantage, and in the case of children and young persons harm may result from too prolonged efforts.

在身心疲乏的时候，一个人不能非常圆满地做到这一点。而对于儿童和年轻人来说，持续太久的努力对他们还会有所伤害。