be brewinga) SOONif something unpleasant is brewing, it will happen soon 〔不快之事〕酝酿,即将来临 There’s trouble brewing in the office. 办公室里要有麻烦了。
b) if a storm is brewing, it will happen soon 〔暴风雨〕即将来临
trouble brewing• Things were changing in the house - you could feel it - and there was trouble brewing.
→ be brewing at brew1(1)