Fail to report (something, especially news or data) fully.
（新闻或数据）报道不足；少报（数据）
athletes are inclined to under-report their use of drugs
under-reported domestic violence
Example sentencesExamples
An internal investigation by the USDA suggests the problems may be under-reported, because too few animals are tested.
Given respondents' tendency to under-report illegal or socially undesirable behavior, higher reports would suggest more accuracy.
The details were strangely under-reported and remain so.
Despite its high prevalence, obesity is documented by doctors only in a small proportion of patients, indicating that this life threatening condition is considerably under-reported in medical records.
People with weight problems under-reporting their food intake is so common that attempts to measure how much they eat are almost worthless.
An investigation said many city firms have under-reported the true extent of the job losses so far this year, quoting sources who believe the true figure could be in excess of 9,000 jobs.
However, data on this is notorious for being under-reported in most official and research surveys carried out by state or other official organisations.
I think the secret to our success in public radio, which is of course under-reported by commercial media, is local control.
In practice, it generally means important initiatives are under-reported because journalists hate following up stories that have been given exclusively to their rivals.
Unless stated otherwise, these figures come from research, not police statistics, as victims tend to under-report domestic violence to the police.
She added that in her opinion, hate crime was under-reported and as confidence in reporting hate crime grew, so did the figures.
The reasons for doctors under-reporting adverse drug reactions include fear of litigation, diffidence, and complacency, and pharmacists are likely to hampered by similar constraints.
The article under-reported opportunities to conserve forests, a precious resource threatened by wood consumption.