haywire

中文： 失控的、出故障的、粗制滥造的

1. Roughly-made, unsophisticated, decrepit (from the use of haywire for temporary repairs).
2. Behaviorally erratic or uncontrollable, especially of a machine or mechanical process. · It was working fine until it went haywire and wouldn't stop printing blank sheets.· Those kids go haywire when they don't get what they want.