真诚,沟通,理解 ---英语怎么说?

真诚: (adj) sincere
Relative explainations:
<sincerity> <bona fides> <empressement> <in good faith> <good faith> <frankness>
Examples:
1. 我可以非常真诚地说，你一直是我最忠实的朋友。
I may say in all sincerity that you have been my most loyal friend.
2. 他使我确信他的真诚。
He convinced me of his sincerity.
3. 我肯定他是真诚的。
I'm certain about his sincerity.
4. 我真诚地希望他能接受别人的批评。
I sincerely hope that he can accept the criticism of others.
5. 我确信他做事真诚。
I'm sure he acted in good faith.
6. 他很真诚, 不由得我不信任他.
His sincerity inclines me to trust him.

沟通: communicate
Examples:
1. 我喜欢和我的家人沟通。
I like to communicate with my family.
2. 父母亲常会发觉难於跟他们的小孩沟通。
Parents often find it difficult to communicate with their children.
3. 健谈的倾向于易于沟通的；爱说话的
Inclined to communicate readily; talkative.
4. 自从我们安装了传真机，与总部的沟通更快了。
Communicate with head off