From Longman Dictionary of Contemporary Englishcome to no harm/not come to any harmcome to no harm/not come to any harmINJUREto not be hurt or damaged She was relieved to see the children had come to no harm. → harm
Examples from the Corpus
come to no harm/not come to any harm• Fortunately, none of the hostages came to any serious harm.• If you keep quiet, you'll come to no harm.• I'm sure Craig's old enough to catch a train into town without coming to any harm. 