1
a waste of sth
常用于表示对时间、金钱等的浪费。
This is a waste of money.
这是浪费钱。
废物；垃圾
先理解核心含义，再看它在真实句子里的用法。
废物；垃圾
Unwanted, useless, or damaged material; rubbish or garbage.
This is a waste of money.
这是浪费钱。
多余材料、无用副产品或损坏、无法销售的产品；垃圾；废物
Excess of material, useless by-products, or damaged, unsaleable products; garbage; rubbish.
无用的废弃材料
any materials unused and rejected as worthless or unwanted
排泄物或尿液
Excrement or urine.
无益或无效的活动；随意挥霍或浪费
useless or profitless activity; using or expending or consuming thoughtlessly or carelessly
Recycling helps reduce the amount of waste we produce.
回收利用有助于减少我们产生的废物量。
AI contextual example
The beach was covered with plastic waste after the storm.
暴风雨过后，海滩上满是塑料垃圾。
AI contextual example
The factory must find a safe way to dispose of its chemical waste.
这家工厂必须找到安全处理其化学废料的方法。
AI contextual example
they collect the waste once a week
他们每周收一次垃圾。
WordNet
常用于表示对时间、金钱等的浪费。
This is a waste of money.
这是浪费钱。
修饰词可以是 household, industrial, toxic 等。
Household waste should be separated.
家庭垃圾应该分类。
指出废料的来源。
Waste from factories pollutes the river.
工厂的废料污染了河流。
Not this
There are many wastes in the bin.
Use this
There is a lot of waste in the bin.
作为“废弃物”时，waste是不可数名词，不能用复数形式wastes，也不能用many修饰；应用much或a lot of，动词用单数is。
Not this
Please pick up a waste on the floor.
Use this
Please pick up some waste on the floor.
“废弃物”不可数，不能用不定冠词a修饰；表示“一些”时应用some或the，或者直接用零冠词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
生活垃圾
Household waste should be sorted before collection.
生活垃圾在收集前应进行分类。
工业废料
The river was polluted by industrial waste from nearby factories.
这条河被附近工厂的工业废料污染了。
危险废物
Hazardous waste must be disposed of separately.
危险废物必须单独处理。
食物垃圾
We compost food waste to reduce our environmental impact.
我们将食物垃圾堆肥以减少对环境的影响。
废物处理
Proper waste disposal is essential for public health.
适当的废物处理对公共卫生至关重要。
废物管理
The company specializes in waste management services.
这家公司专门提供废物管理服务。
浪费时间
This meeting is a complete waste of time.
这个会议完全是浪费时间。
勤俭节约，不愁匮乏
My grandmother always said waste not, want not, so she never threw away leftovers.
我祖母总是说勤俭节约，不愁匮乏，所以她从不扔掉剩饭剩菜。
被浪费掉
We shouldn't let all this food go to waste.
我们不应该让所有这些食物被浪费掉。
不浪费，不匮乏。
My grandmother always said, 'Waste not, want not,' so she never threw away leftovers.
我祖母总是说‘不浪费，不匮乏’，所以她从不扔掉剩菜。
欲速则不达。
If you rush through your homework, you'll make mistakes; haste makes waste.
如果你匆忙做作业，你会犯错；欲速则不达。
Use waste naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想起 '未食的' 谐音，未食完的就是废料。
该义项（废弃物）在正式和非正式场合均常见，适用于工业、家庭、环境等场景，语体为中性的。
All listed words contain the same ending sound /eɪst/. Note that 'waist' is a homophone of 'waste' but spelled with 'ai' instead of 'a'. All other words end in '-aste'.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.