boundless
单词辨析：
普通用词，指数量上无限的或事情无休止的。
The possibilities are almost endless.
可能性几乎是无限的。
I'm sick of their endless arguing.
我受够了他们无休止的争吵。
指空间上无边无际的，或数量上无限的。
boundless energy/enthusiasm
无穷的精力／热情
Vast is the sky, boundless the wilds.
天苍苍，野茫茫。
His boundless generosity moved us deeply.
他无限的慷慨深深感动了我们。
Her reforming zeal was boundless.
她对于改革热情无限。
Stars are twinkling in the boundless sky.
浩瀚无垠的天空上繁星闪烁。
指空间或数量上没有限制的，常可与 boundless 换用。
limitless/boundless imagination/space/worries
无限的想象力/空间/烦恼
The future holds limitless/boundless promise.
未来有着无限的希望。
Every child has limitless/boundless potential for success.
每个孩子都有无限的成功潜能。
相关例句：
While her mother gave my boundless affection, subtle things I trained fine, the people love traits.
而妈妈则给予了我无边的慈爱，潜移默化的培养了我对事细腻，对人友爱的性格特点。
The clear and boundless sky is as blue as the calm sea.
这天晴空万里，天蓝得像平静的大海。
A fine example has boundless power.
榜样的力量是无穷的。
His wrath was boundless.
他怀着无限愤怒。
Like Xuzhimo, I will also look for my only soulmate in the boundless and indistinct sea of faces.
和徐志摩一样，我也将在茫茫人海中寻找我灵魂之唯一伴侣。
Compared with the boundless universe, we are only a drop in the ocean.
和无限的宇宙相比，我们只是沧海一粟。