陰謀詭計
阴谋诡计
jam1 mau4 gwai2 gai3 crafty plots and machinations
你成日話人哋有陰謀，都唔知係咪有被害妄想症。
你成日话人哋有阴谋，都唔知系咪有被害妄想症。
nei5 seng4 jat6 waa6 jan4 dei6 jau5 jam1 mau4, dou1 m4 zi1 hai6 mai6 jau5 bei6 hoi6 mong5 soeng2 zing3. I doubt whether you have a delusion disorder, as you always suspect others of having conspiracies.
You look like you've been sneaky lately. What wicked plans are you cooking up?
Examples (Wiktionary)
Mandarin
粉碎敌人的阴谋
粉碎敵人的陰謀
fěn suì dí rén de yīn móu
to defeat the enemy's conspiracy
Mandarin
社会主义国家内部的反动派同帝国主义者互相勾结，利用人民内部的矛盾，挑拨离间，兴风作浪，企图实现他们的阴谋。
社會主義國家內部的反動派同帝國主義者互相勾結，利用人民內部的矛盾，挑撥離間，興風作浪，企圖實現他們的陰謀。
shè huì zhǔ yì guó jiā nèi bù de fǎn dòng pài tóng dì guó zhǔ yì zhě hù xiāng gōu jié ， lì yòng rén mín nèi bù de máo dùn ， tiǎo bō lí jiàn ， xīng fēng zuò làng ， qǐ tú shí xiàn tā men de yīn móu ．
It was a case of the reactionaries inside a socialist country, in league with the imperialists, attempting to achieve their conspiratorial aims by taking advantage of contradictions among the people to foment dissension and stir up disorder.
Henceforward, should any lawless person dare to plot disruption, the Border Region Government and the Rear Headquarters will enforce these regulations to the letter and will accept no plea of ignorance.