well away idiom UK informal         
 完全沉浸地
completely involved in what you are doing
  He was soon well away on (= talking a lot about) his favourite subject of steam train conservation. 他很快就开始大谈特谈自己最喜欢的蒸汽火车的话题。 
  醉酒
very drunk
  After five pints of lager and a couple of whiskies I was well away (= drunk). 喝了5品脱淡啤酒和几杯威士忌之后,我已经完全醉了。