Definition
An exclamation used when someone or something has caused a problem, damage, or difficulty.
這下完了！
“That's done it!” he said, staring at the computer screen as it suddenly shut down.
「這下完了！」他盯著突然關機的電腦螢幕說道。
I spilled coffee all over my report, that’s done it!
我把咖啡灑在報告上，這下完了！
“That’s done it!” he muttered to himself when he realized he had locked his keys in the car.
「這下完了！」他發現自己把鑰匙鎖在車裡時喃喃自語道。