lightheartedness
n. 自由自在；无忧无虑
近义词：pleasure，airiness，lightsomeness，insouciance，carefreeness，
英英释义
Noun
- the cheerful feeling you have when nothing is troubling you
例句
用作名词(n.)
- This lightheartedness in no way jeopardizes your privacy or causes you to throw yourself away.自由自在的生活绝对不是暴露自己的隐私或者对自己放任不管。
- It is peace and gentleness and lightheartedness.幸福是一种平和，柔顺和无忧无虑的状态。