螳螂捕蝉be unaware of impending danger;to pursue a narrow gain while neglecting a greater danger

讨价还价bargain;haggle over a price

滔滔不绝unceasing torrent;talking non-stop;gabbling forty to the dozen

天伦之乐pleasure of heavenly agreement;family love and joy;domestic bliss

田园之乐heavenly happiness

统筹兼顾an overall plan taking into account all factors

同舟共济to get through a time of difficulty by settle one’s difference and working together

投笔从戎renounce the pen for the sword;join the military service (esp. of educated person)

土头土脑rustic;uncouth;countrified

拖泥带水messy;sloppy;slovenly (lit. wading in mud and water)