unusable
unusable — 形容詞
- unusablepositive
- more unusablecomparative
- most unusablesuperlative
1. describes something that is in such poor condition — broken, damaged, or of very
無法使用
因損壞、品質差而無法使用
describes something that is in such poor condition — broken, damaged, or of very low quality — that you cannot make use of it for its intended purpose
After the flood, Talia's kitchen was unusable because every cabinet was water-damaged.
洪水過後，Talia 家的廚房因為每個櫥櫃都泡水損壞而無法使用。
passive: be + unusable + reason clause
The data on that old hard drive is unusable since most of the files are corrupt.
那顆舊硬碟上的資料大部分都毀損了，所以無法使用。
inanimate subject + is unusable
Minh's phone became completely unusable after he dropped it into the hotel pool.
Minh 的手機掉進旅館泳池後就完全無法使用了。
become + completely unusable + cause clause
Large sections of the mountain road remain unusable after last night's landslide.
昨晚的山崩過後，山區道路有大段路段仍無法通行。
The printer has been unusable for weeks, so Caio finally ordered a new one.
Caio 的印表機已經好幾週無法使用，所以他終於訂了一台新的。
present perfect passive: has been unusable for [time]
- become unusable
- render something unusable
- completely unusable
- totally unusable
- largely unusable
- remain unusable
- unusable due to
- rendered unusable by
- useless
broader range — can mean unhelpful or ineffective even if technically functional; unusable always implies physical or mechanical failure
- broken
more specific to mechanical/physical damage; a broken item is always unusable, but an unusable item may simply be unsuitable rather than physically broken
- defective
focuses on manufacturing flaws or design faults rather than damage from use
- usable
direct opposite; in working condition
- functional
emphasises that the item does its job properly
文法句型
be/become/render + unusable
completely/totally/largely unusable
用法筆記
Frequently describes physical objects, equipment, or digital resources that have suffered damage or failure. Unlike useless, which can also mean 'not helpful in achieving a goal', unusable always implies a concrete failure to function.