be deliberately planned over a long period of time; hope (/intend) for a long time;long premeditated
? 那樁政治事件～。The political incident had been deliberately planned over a long period of time.
蓄謀已久xù móu yǐ jiǔ
蓄：等待；謀：謀劃。形容對某件事情等待、謀劃了很長的時間。long premeditated, hope for a long time, intend for a long time