boring

• n.
  • the act of drilling

    同义词： drilling

  • the act of drilling a hole in the earth in the hope of producing petroleum

    同义词： drilling oil production

• adj. so lacking in interest as to cause mental weariness

  "a boring evening with uninteresting people"

  同义词： deadening dull ho-hum irksome slow tedious tiresome wearisome

以上来源于: WordNet