The bacteria is harmless to humans.
这种细菌对人类无害。
It's just a bit of harmless fun.
开个小玩笑罢了，并无恶意的。
1.无害的;没有恶意的
2.没有受到伤害的
1.not causing any harm
2.not likely to upset people or to cause problems
1.Almost anything can be a source of a phobia, no matter how harmless it may seem to the vast majority of us.
任何东西都可能成为恐惧之源，不管它对我们的绝大多数人来说是多么无害。
2.Magnesium is harmless to human beings, and therefore such a multilayer sheet can be preferably used as a material of a food or medicine bag.
镁是对人体无害的，因此这样的多层片材可以作为最好的食品或*袋材料。
3.Excuse me, gentle lords and ladies. Do not let me disturb you. Only a poor old harmless English rector.
请原谅，高贵的老爷们，女士们。但愿我不至于打搅了各位。敝人只是一个善良无害的英国老神父。
4.A program that appears to be useful or harmless but that contains hidden code designed to exploit or damage the system on which it is run.
一种看上去有用或无害但实际上包含旨在利用或破坏运行它的系统的隐藏代码的程序。
5.Excess register declarations are harmless, however, since the word register is ignored for excess or disallowed declarations.
但是，过量的寄存器声明并没有什么害处，这是因为编译器可以忽略过量的或不支持的寄存器变量声明。
6.It was a harmless question, but he looked at me with hatred.
它不是一个有恶意的问题，但他用敌视的眼光看着我。
7.A little harmless flirtation or so will occur, and one is often drawn on to give more encouragement than one wishes to stand by.
有时会发生点并无害处的调情之类的事情，人往往经不住诱惑，怂恿了别人还不愿意承认。
8.This broke the hearts of the group who felt very bad that the bear had to be shot, as it was harmless outside of requiring food to subsist.
这击痛了小组成员们的心灵，在熊被射杀的时候，他们感觉非常之坏，因为它是无恶意的，只是在外面寻找食物维生。
9.Its small stature, playful face, and moveable, rubber-covered wire lips all gave it a harmless, come-play-with-me charm.
它的小身材、顽皮面孔、还有可变换口型的橡胶线嘴唇都赋予它一种无害的、‘来跟我玩’的迷人魅力。
10.You had a good trade, you made a good living, you thought the world a harmless place where you could take your pleasure as you willed.
你有一个好生意，你谋得一个好生活，你认为这个世界是个没有伤害的地方，在那里你可以得到你希望的快乐。