v. (使)保持，處於;繼續，重復(做某事);
處於? The noise kept him awake
噪音使他壹直醒著
持續；堅持? keep smiling 保持微笑
（keep ?doing ）
保留?留下
Please keep me a seat 請為我留個座位
阻止，避免
His thought is to keep the boy from harm
他壹心想的是，不要讓這個孩子受到傷害
n. 生活必需品;生活費用;
Keep 總結
1.keep +形容詞
2.keep+sth/sb +形容詞
3.keep +doing 壹直做某事
4.keep ...from doing ...阻止做某事.
5.keep a pet 飼養壹個寵物