eavesdrop
/AmE ˈivzˌdrɑp 
, BrE ˈiːvzdrɒp /
intransitive verb
present participle eavesdropping past tense, past participle eavesdropped
escuchar a escondidas to eavesdrop on sth/sb escuchar algo/a algn a escondidas
eavesdrop
English → Spanish
Oxford English–Spanish