keep on doing sth 继续作某事 ; 继续做某事 ; 持续做某事 ; 不停地做
keep sth on 穿着
keep current on sth 随时了解
keep sth on ice 留待以后用
keep tabs on sth 密切注视
I keep on doing sth 我一直在做某事
keep one's mind on sth 把注意力放在
keep an eye on sth 密切注意
keep the lid on sth 保守秘密
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