A harmonious relationship, agreement, or discussion is friendly and peaceful.
例句
Their harmonious relationship resulted in part from their similar goals...他們關系融洽的部分原因是他們有著相似的目標。It is a harmonious community where pupils are happy and industrious.這是一個和睦的集體，學生們開心玩耍，用功讀書。
ADJ-GRADED
（各組成部分）和諧的，協調的
Something that is harmonious has parts which go well together and which are in proportion to each other.
例句
The architecture is harmonious and no building is over five or six floors high.這里的建筑風格和諧統一，沒有哪座樓房高于五六層。...a harmonious balance of mind, body, and spirit.頭腦、身體和心靈的協調
ADJ-GRADED
（音調）和諧的，悅耳的
Musical notes that are harmonious produce a pleasant sound when played together.
例句
...the mysterious skill involved in producing harmonious sounds.發出悅耳聲音的神秘技巧
英漢詞典釋義
adv.
和諧地;調和地
the need to live as harmoniously as possible with everyone else與每個人盡可能和睦相處的必要
英英詞典釋義
Adverb
1. in a harmonious manner;
"the problem of absorbing immigrants harmoniously into British society is as important to the immigrants as to the British"