harmless

1. ADJ Something that is harmless does not have any bad effects, especially on people's health. 無害的

This experiment was harmless to the animals. 這個實騐對動物無害。

2. ADJ If you describe someone or something as harmless, you mean that they are not important and therefore unlikely to annoy other people or cause trouble. 不會惹麻煩的

He seemed harmless enough. 他似乎不會惹麻煩。