1. harm n. &vt. _____
2. harmless ad j. _____
3. harmlessness n. _____
4. be harmful to _____
5. do sb. harm/do harm to sb. _____
6. do more harm than good _____
7. There is  (no) harm in  ( sb. ~ s) doing sth._____
8. It does (no) harm (for sb. )to do sth. _____
9. mean no harm_____
10.  Fruit juice can _____ children's teeth.
      果汁可能损坏儿童的牙齿.
11. What he did____ his reputation.
      他所做的损害了他的名声.
12. He may look fierce, but he ____  .
      他可能看上去很凶,但并无恶意.
13. The court case will____ my business.
      这起诉讼案件将严重损害我的生意.