Englishfor English speakers
harm
Noun
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Harm is the damage, injury or problems caused by something.
In the attack, he caused her serious bodily harm.
Please be careful, but luckily this time there was no harm done.
harm
Verb
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If you harm something, you damage or injure it, or cause it problems.
Smoking during pregnancy can seriously harm your baby.
doing
Noun
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A doing refers to something that someone has done, a deed.
This mess is your doing.