It was just a harmless frolic.
那不过是个无害的嬉闹游戏。
It's just a bit of harmless fun.
开个小玩笑罢了，并无恶意的。
The bacteria are harmless to humans.
这些细菌对人无害。
Horoscopes are merely harmless escapism.
占星术只是无害的、让人逃避现实的消遣方式。
This experiment was harmless to the animals.
这个实验对动物无害。
Not all chemicals normally present in living organisms are harmless.
并非所有正常存在于活的有机体中的化学物质都是无害的。
The mountain hasn't been entirely harmless, however.
然而，这座山并非完全无害。
Non-native species can appear harmless for decades, then turn invasive.
非本地物种可能会在几十年内看起来无害，继而变得有入侵性。
People often think of gossipers as harmless, but cruel lies can cause pain.
人们通常认为说闲话的人是无恶意的，但是残忍的谎言会给别人带来痛苦。
What is more, non-native species can appear harmless for decades, then turn invasive.
更重要的是，非本地物种可能会在几十年内看起来无害，然后变得有入侵性。
Even seemingly harmless details on a resume, it appears, can tap into recruiters' biases.
即使是简历上看似无害的细节似乎也会引起招聘人员的偏见。
Unless you are allergic to tarantula venom, they are harmless to humans (though they pack a painful bite).
除非你对狼蛛毒素过敏，否则它们对人体是无害的（尽管它们咬你一口会很痛）。
In study after study, there's a positive reaction in almost one-third of the patients taking harmless substances.
在一项又一项研究中，几乎有三分之一的病人在服用无害物质后产生了正反应。
Popping food into the microwave for a couple of minutes may seem utterly harmless, but Europe's stock of these quick-cooking ovens emit as much carbon as nearly 7 million cars, a new study has found.
把食物放进微波炉里几分钟似乎完全无害，但一项新的研究发现，在欧洲，这种快速烹饪的机器的碳排放量几乎和700万辆汽车的一样多。
Most people considered him a harmless eccentric.
多数人都认为他是一个无伤大雅的怪人。
If labelling obesity as a disease was harmless then it wouldn't really matter, he writes.
他写道，如果把肥胖列为一种疾病不会产生危害，那就没什么影响。
One family of completely harmless snakes, the kingsnake, has also evolved serum that neutralizes rattlesnake venom.
一种完全无毒的蛇家族，王蛇，也进化出了能中和响尾蛇毒液的血清。
他似乎不会惹麻烦。
The truth is that some plants can hurt you, but most are completely harmless.
事实上，有些植物会伤害你，但大多数是完全无害的。
Perhaps a design works so well. It is adopted elsewhere again and again, with seemingly harmless improvements, until, suddenly, it does not work at all anymore.
一种设计效果很好，反复应用于其他地方，加上一些看似没什么影响的改进，突然有一天它就不奏效了。
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