She is a spoiled child.

她是个被宠坏了的孩子。

Nowadays children are under more pressure of competition.

现在的孩子面临（在……之下）更多的竞争压力。

Today's children enjoy a higher level of material life.

今天的孩子享受更高水平的物质生活。

My niece is a lovely child with shiny eyes and tiny feet.

我的侄女是个有着明亮眼睛和一双小脚的可爱孩子。

She is so adorable that I want to kiss her flowery face.

她是如此可爱，以致我真想亲一下她灿烂的笑脸。

He is a little emperor of the family.

他是家里的“小皇帝”。

We should train children's practical skills.

我们应当培养孩子的动手（操作）能力。

In double-career families children are often neglected.

在“双职工”家庭，孩子经常被忽略。

Peter and his family live in the flat above mine.

彼得一家住在我家楼上。

He is tall for his age.

就（他的）年龄而言，他是个高个子。

My nephew wears a very warm smile on his face when he is happy.

我侄子高兴的时候，总是面帶非常温馨的笑容。

He is strong-willed and usually finds out ways to get what he wants.

他意志坚定，常常想方设法得到他想要的东西。