batten down the hatches• Businesses are focused on survival - everyone's battening down the hatches.
2.batten on somebodySPEND MONEYBritish EnglishBrE formal to live well by using someone else’s money, possessions etc – used to show disapproval 依靠某人养肥自己〔含贬义〕
TBCa long narrow piece of wood that is attached to other pieces of wood or another building material to strengthen them and keep them in place 〔作固定用途的〕板条,压条