是keep balance 还是keep a balance

是keep balance 还是keep a balance keep a balance还是 keep the balance 劳逸结合翻译balance是keep还是achieve keep balance 还是 keep balanced?keep是系动词 后面跟形容词 可balance是名词呀keep balance 是固定词组？keep balanced keep后可以加名词也可以加形容词英语过六级的说~ 英语翻译是keep a balance diet还是keep a balanced diet? 保持健康是keep healthy,keep+adj.,为什么保持平衡又是keep balance,keep+n.为什么不用keep balanced? keep our balance 意思 keep the balance 是keep quiet还是keep quietly 为什么 是keep silent 还是keep silence 保持沉默是keep silent还是keep silence 是keep dancing 还是keep on dancing keep company是keep dogs company还是keep dogs companies 为什么保持平衡是keep healthy,保持平衡却是keep balance,healthy是形容词,balance是名词如题 keep silent还是keep silence keep health还是keep healthy keep diaries还是keep diary keep happily 还是keep happy