不ふ耐たい

noun

intolerance (to food, drug, etc.)

Medical term for a physiological inability to tolerate a substance, such as a food or drug.

• 乳にゅう糖とう不ふ耐たいの人ひとは牛ぎゅう乳にゅうを飲のむとお腹なかを壊こわすことがある。

  People with lactose intolerance may get an upset stomach when they drink milk.