“Nice and”可理解为“That’s nice because…”，nice and=very，通常可译为“很、挺、非常”之类，适用于褒义的情形。
The thought ofy ou at home nice and warm, keeps us good.
你的关怀使我们感到就像在家里一样温暖。
But if you behave, it'll be nice and easy for you.
要是你们投降，我不会为难你们的。
The shade was nice and the tree was easy to climb.
树荫很好，这棵树也很容易爬。
Yes, I know it looks nice and clean, but actually, not.
我知道从图片上看，这车好像不错，但其实并不是这样。
Nice and slow. I'm getting close to the first level.
慢慢来，我快接近第一层了。
I love the teachers here, they're nice and kind.
我喜欢这里的老师,他们和蔼可亲
He is nice and caring to me. 他很体贴。
It’s nice and convenient.它又很方便。
Just take it nice and easy.很放松。
It's nice and peaceful here. 这儿很安静。
The table was nice and sturdy.这张桌子非常结实。
The meat will stay nice and juicy.肉会保持鲜美多汁。
注意：“nice and”也可为一般用法，并非强调，此时两者为形容词或名词。关于是否是强调使用要看具体的语境。