In this sentence, the word BIG is in capitals.

本句中BIG一词的是大写字母。

Begin every sentence with a capital.

每个句开始要大写字母。

The use of lowercase letters for capital letters was one of the idiosyncrasies of the poet e.e. cummings.

小写字母代替大写字母是诗人e.e.特有的风格。

On the television screen we see the announcer holding up a cereal box with the name WAKE---UPS in big letters.

"在电视屏幕,我们到,主持人手里拿着一盒麦片,盒大写字母写着'WAKE-UPS(清醒)'。"

In English, all capital words are used only when you are very angary, almost equal to shouting or cursing. This way I suggest you never use these capitals again.

在英语里，所有大写字母都是当你特别生气时才的，几乎相当于大喊大叫或者诅咒的时候。我建议你一定不要再这些大写字母了！