ADJ-GRADED
（變化或過程）逐漸發生的，零敲碎打的，零散的
If you describe a change or process as piecemeal, you disapprove of it because it happens gradually, usually at irregular intervals, and is probably not satisfactory.
例句
Instead of the government's piecemeal approach, what is needed is a radical shake-up of 16-19 education.
需要的不是政府零敲碎打的措施，而是要對16至19歲年齡段的教育進行徹底變革。
...piecemeal changes to the constitution.
對憲法零星的修訂