ontoBrE /ˈɒntə, ˈɒntu/ NAmE /ˈɑːn-, ˈɔːn-/► SEE ALLbe onto sbbe onto sth ●be ˈonto sb1. (informal) know about what sb has done wrong察觉某人的错事（或罪行）◆She knew the police would be onto them. 她知道警察会怀疑到他们头上。2. ( get ˈonto sb) be talking to sb, usually in order to ask or tell them sth要求；告诉◆They’ve been onto me for ages to get a job. 他们要我给他们找工作很久了。◆I must get onto the local council about all the rubbish in the street. 我必须向地方议会指出街上乱扔垃圾的事。●be ˈonto sthknow about sth or be in a situation that could lead to a good result for you了解；处于有利地位◆Researchers believe that they are onto something big. 研究人员认为他们将有重大发现。◆She’s onto a good thing with that new job. 她会在那份新工作中有所作为。