拼错了吧?应该是keep.
保持健康----- keep healthy
保守秘密----- keep secret
保持冷静----- keep calm
保持平衡----- keep balance
保暖 ----- keep warm
keep a diary 记日记
keep chicken 饲养小鸡
keep an eye on 留意
keep late hours 晚睡晚起
keep a world record保持世界记录