中英成语俚语800对080:处心积虑
处心积虑
After long deliberation.
By design.
eg:He carried out his plot after long deliberation, thinking little about others.
中英俚语俗语来源:谷梁传:“何甚乎郑伯,甚郑伯之处心积虑成于杀也。”
同义词:深思熟虑 Turn is over in one's mind.
反义词:心血来潮 On the impulse of the moment.