loco

疯的、发疯的、神经错乱的口语

He went loco after spending three months alone at sea.

他独自在海上待了三个月后就疯了。

疯狂的、荒唐的口语

Paying that much for a used bike is just loco.

花那么多钱买一台二手脚踏车实在太疯狂了。

火车头、机车英式口语

The old steam loco still runs on weekends along the coast.

那台老蒸汽火车头周末仍会沿著海岸行驶。