harmfulless

例句：

1. 1.The new drug is harmfulless to the body.
   这种新药对身体健康无害。
2. 2. The food was harmlessless and delicious.
   这道菜既美味又无害。
3. 3. The children were harmlessless when playing in the park.
   孩子们在公园玩耍时是无害的。