蓄谋已久

【繁体】蓄谋已久　【读音】xù móu yǐ jiǔ

【解释】蓄，很久。谋，谋划，计划。处心，存心。积虑，蓄谋很久。指为了某件事情谋划很久，处心积虑的意思。（通常指贬义）

【词性】通常贬义。

【造句】他这样做显然是蓄谋已久的挑衅。

【出处】《谷梁传隐公元年》：“何甚乎郑伯？甚郑伯之处心积虑成于杀也。”

【翻译】keep on plotting for a long time; a long-cherished plot [plan]; has been deliberately planned over a long period of time; have plotted for a long time (to ...); It has been the long-premeditated plan (of sb.) to ...; long premeditated