lit. when you pull a radish out of the ground, some dirt comes up with it (idiom); fig. to uncover, during the investigation of a crime, evidence of other crimes; to cause further problems while working on a problem
trad. 拔出蘿蔔帶出泥
Also written 拔出蘿蔔帶出泥【bá chū luó bo dài chū ní】