hands down
毫无疑问地，轻而易举地，毫不费劲地
口语·强调轻而易举
英文释义
without a doubt or easily; unquestionably
例句
She won the competition hands down; her performance was amazing.
典故来源
源自赛马中骑手轻松获胜时双手放下缰绳，比喻毫不费力地取胜。