complacency

Doctors have warned against complacency in fighting common diseases.

医生警告说，治疗常见病不能一见好就掉以轻心。

Despite yesterday’s win, there is clearly no room for complacency if the team want to stay top of the league.

尽管这支球队昨天赢了，但要在联赛中独占鳌头，就不能骄傲自满。