calculated 精心策劃

calculated
繁：精心策劃
简：精心策划

中大醫學院副教授許金山被控殺害妻子黃秀芬及次女許儷玲案，陪審團昨於高等法院退庭商議7個半小時後，一致裁定許金山謀殺妻女兩項謀殺罪名成立，主審法官張慧玲直指，對一名聰明和成功的大學教授精心策劃以謀殺妻子一事感到十分驚訝及難以相信，殺人計畫精密得絲毫沒留低半點直接證據。

【許金山案】亡妻絕密日記 揭畸形心理（2018年9月20日）。頭條日報，取自 http://hd.stheadline.com/news/realtime/hk/1321947/

A Malaysian professor was sentenced to life imprisonment on Wednesday for killing his wife and daughter using a gas-filled yoga ball as his murder weapon in a “premeditated and calculated” plot to get his hands on properties the couple jointly owned.

Malaysian professor sentenced to life in prison after being found guilty of Hong Kong yoga ball murders. (2018, September 20). South China Morning Post. Retrieved from https://www.scmp.com/news/hong-kong/law-and-crime/article/2164793/hong-kong-jury-sent-away-decide-fate-professor-accused