daft/dɑ:ft; ?@ dæft; dæft/ adj(-er, -est) (infml 口) foolish; silly 傻的; 愚蠢的 Don't be so daft! 别那麽傻了! He's gone a bit daft (in the head), ie He has become slightly insane. 他（头脑）有些发痴.
牛津英汉双解词典