keep a check on
Oxford American Dictionary
...在部落格寫日記的習慣。(到現在還在寫) I have been maken a regular keep a diary on blog. I have been keeping a journal and posted them...
I just check up my dictionary, and I think the difference depends on whether you have self-conscious on controlling things. Keep: You have rights to take it or drop it. Whatever and ...
...past experience) <On the hospital> son:doctor...undergo the traffic accident .she keeps shouting that she ...doctor: we help the patient to have a checking on their legs...