keep a weather eye on somethingWATCHto watch a situation carefully so that you notice anything unusual or unpleasant 密切注视，时刻警惕〔不寻常或令人不安的事〕 Keep a weather eye on your finances. 要注意自己的财务状况。
keep a weather eye on something• They dabble in composites, and keep a weather eye on the developments made by the small specialists.• Both, for different reasons, kept weather eyes on the cloning work.• This lets you keep a weather eye on your finances.
→ keep a weather eye on something at weather1(4)