1. My dog is gentle and harmless. He used to be a vicious wild dog. After we adopted him, he and I began to bond. Now he is the tamest dog I know.2. My husband used to be rough on me. After he studied the Bible he learned that he needs to love his wife. Now he is very gentle with me.
 gentle harmless Tame; dociletame 跟 docile 形容寵物的馴服, 不會攻擊人之類的，gentle 跟 harmless 都能表達溫馴的意思，適用在人或動物上。人的順服也可用 gentle 表示，例如 My husband is gentle with me.
我的狗很乖, 不會咬人.< >
I have been wreking my brain on this tough math question but I still cannot solve it.