field day noun
plural field days
plural field days
Learner's definition of FIELD DAY
[count]
: a day of outdoor sports and athletic competition for school children（在校学生的）户外运动日，体育比赛日
have a field day
: to get a lot of pleasure and enjoyment from doing something获得极大乐趣 —
used especially to describe getting enjoyment from criticizing someone, making fun of someone, etc.尤指以批评或取笑某人为乐 -
If word of his involvement in this scandal ever leaks out, the newspapers are going to have a field day.他卷入这桩丑闻的消息一旦外泄，各种报纸就会大肆报道，乐此不疲。
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Journalists have had a field day with this scandal.记者们以报道这桩丑闻为乐。