/ˈlʊkaʊt ||; ˈlυkˌaυt/noun [C] (a person who has) the responsibility of watching to see if danger is coming; the place this person watches from 看守；瞭望员；瞭望台: One of the gang acted as lookout. 有一名团伙成员负责把风。 be on the lookout for sb/sth;keep a lookout for sb/sth to pay attention in order to see, find or avoid sb/sth 警觉地注意着；留心守候着