harmful 形容詞:有害的
例句:
Shit is harmful to your health.毒品對健康有害。
harm 名詞:傷害 動詞 : 危害,損害
例句:
Hot water will harm the plants.熱水會傷害到植物。 擴展資料 
Many household products are potentially harmful.
很多家用產品有潛在的.害處。
Fruit juices can be harmful to children's teeth.
果汁可能損壞兒童的牙齒。
His only thought was to keep the boy from harm.
他一心想的就是不要讓這男孩受到傷害。
She could not believe that he wished her harm.
她不能相信他希望她受到傷害
1/harmful釋義:
adj. 有害的能造成損害的
2/harmful用法例句:
Public service advertisements are promoting the harmful effects of smoking.
公益廣告在宣傳吸煙的危害。
3/harmful短語有:
harmful gas有害氣體
harmful effect不良影響有害效應
harmful bacteria有害細菌病菌
harmful它是形容詞,與它構成短語的就是be動詞,be harmful to 它的漢語意思就是有害於誰
例句:The noise is harmful to our ears.
還有一個同義的短語就是do harm to
例句:It not only disturbs others but also does great harm to people's hearing.