You want someone not to do something that's going to be harmful or uncomfortable or strange.
你希望某人不要做一些有害的、令人不安的或奇怪的事情。
Given the many therapies in existence， there can be little doubt that some of them do what they are supposed to. Many others are likely to be ineffective or can even be harmful.
根据目前存在的多种疗法来看，毫无疑问其中有些确实有效，而其他的则很可能是无效的，或者甚至是有害的。
Everytime we eat， drink and breathe， we do not just take good things into our bodies but harmful things as well - substances which may be toxic to the body.
每次我们吃，喝和呼吸，我们不只是美好的事物进入我们的身体有害的东西，但也-物质可能有毒的机构。
People with a heavy workload do not have adequate time to exercise， which can be harmful to their fitness.
工作量过重的人没有足够的时间去训练，这个对他们身体健康有害。
People with a heavy workload do not have adequate time to rest and recharge batteries， which can be harmful to their fitness.
中文翻译：工作很多的人没有足够的时间去休息和充电，这样对他们的健康有害。
Only if you do the extra and harmful thing to it， the harmony between you and nature will be hurt.
只有当你自作聪明，揠苗助长，画蛇添足时，你与大自然的和谐才会受到伤害。
团语意思：去做某事是有害的。
例：
It is harmful for me to smoke.
吸烟对我是有害的。
Fruit juices can be harmful to children's teeth.
果汁可能损坏儿童的牙齿。
This may be harmful to the shape of children's characters.
这对孩子的个性的形成都是有害的。
She can either be helpful or harmful to mankind.
她对人类可以是有益的，也可以是有害的。