If you describe something as diabolical, you are emphasizing that it is very bad, extreme, or unpleasant.
例句
It was a diabolical error, a schoolboy error...那是個十分低級的錯誤，一個小學生才會犯的錯誤。The pain was diabolical.疼痛異常劇烈。
ADJ
邪惡的;罪惡的
Diabolical is used to emphasize how evil something is.
例句
...sins committed in a spirit of diabolical enjoyment...為了罪惡的享樂而犯下的罪孽One speaker today called the plan diabolical and sinister.今天一名發言人稱該計劃陰險惡毒。
英漢詞典釋義
adj.
惡魔的;殘忍的
diabolical cruelty毒辣的殘暴行為This maneuver of his is a diabolical conspiracy.他這一手是一個居心叵測的大陰謀。
英英詞典釋義
Adjective
1. showing the cunning or ingenuity or wickedness typical of a devil;
"devilish schemes""the cold calculation and diabolic art of some statesmen""the diabolical expression on his face""a mephistophelian glint in his eye"
2. extremely evil or cruel; expressive of cruelty or befitting hell;
"something demonic in him--something that could be cruel""fires lit up a diabolic scene""diabolical sorcerers under the influence of devils""a fiendish despot""hellish torture""infernal instruments of war""satanic cruelty""unholy grimaces"