harmful 

  1. 形容詞
有害的, 傷害的
不利的
harmful to/for ...(人事物):
對...有害的
對...不利的
有損於...(人)的
harmful to/for others:
對他人有害的
對他人利的
有損於人的

    同義字詞
adverse,bad,baleful,baneful,damaging,dangerous,deleterious,detrimental,evil,hurtful,ill,injurious,mischievous,nocuous,noxious,pernicious,prejudicial,wicked

例句

  1. A lot of that isn't harmful .
  2. They are quite harmful and very inefficient.
  3. Giving too much freedom to children is harmful .
  4. Will this death be harmful or helpful to the patient?
  5. They are also not harmful and do not constitute damage.