表示一种沉重的负担. 韦氏大辞典的英文解释如下: a :a property requiring much care and expense and yielding little profit b :an object no longer of value to its owner but of value to others c :something of little or no value 也就是 1.一种需要付出大量精力与花费但收入极少回报的财产 2.一个对他人可能还有价值但是对于拥有者已经不再有价值的物件 3.某种没有或者几乎没有价值的东西或事情