1
be wasteful of sth
表示“浪费某物”时常用此结构。
This process is wasteful of energy.
这个过程浪费能源。
浪费的；挥霍的；不节约的
先理解核心含义，再看它在真实句子里的用法。
浪费的；挥霍的；不节约的
Using or spending something carelessly, so that much of it is wasted; not efficient in using resources.
This process is wasteful of energy.
这个过程浪费能源。
倾向于浪费或挥霍金钱或资源的。
Inclined to waste or squander money or resources.
在时间、精力和材料使用上低效的
inefficient in use of time and effort and materials
倾向于挥霍和浪费
tending to squander and waste
破坏性的
laying waste; - Shakespeare
Leaving the tap running while you brush your teeth is wasteful.
刷牙时让水龙头一直开着是很浪费的。
AI contextual example
The manager tried to reduce wasteful spending in the office.
经理试图减少办公室里的浪费性支出。
AI contextual example
It is wasteful to throw away food that could be eaten later.
把以后还能吃的食物扔掉是很浪费的。
AI contextual example
a clumsy and wasteful process
一个笨拙而浪费的过程。
WordNet
表示“浪费某物”时常用此结构。
This process is wasteful of energy.
这个过程浪费能源。
形式主语it引导，描述某行为是浪费的。
It is wasteful to throw away leftover food.
扔掉剩饭是浪费的。
find + 宾语 + 形容词补足语。
Many people find the packaging wasteful.
许多人认为这种包装很浪费。
Not this
This process is waste.
Use this
This process is wasteful.
“waste”是名词或动词，不是形容词；表示“浪费的”应使用形容词“wasteful”。
Not this
He is wasteful on money.
Use this
He is wasteful of money.
形容词“wasteful”后应接介词“of”引出浪费的对象，而非“on”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
浪费性开支
The government was criticized for its wasteful spending on luxury items.
政府因在奢侈品上的浪费性开支而受到批评。
浪费的习惯
Leaving the lights on all night is a wasteful habit.
整夜不关灯是一种浪费的习惯。
浪费的使用
The factory was guilty of a wasteful use of water.
这家工厂因浪费用水而应受到谴责。
浪费精力的重复劳动
The two departments did the same research, which was a wasteful duplication of effort.
两个部门做了同样的研究，这是浪费精力的重复劳动。
浪费资源的官僚机构
Many people complain about the wasteful bureaucracy that slows down decision-making.
许多人抱怨浪费资源的官僚机构拖慢了决策速度。
Use wasteful naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
waste（浪费）加上 -ful（充满），满心都是浪费，即“浪费的、挥霍的”。
语域：neutral 常见场景：日常交流、正式写作 wasteful 是中性常用词，多用于描述浪费金钱、资源或时间的情况，在口语和书面语中都比较常见。
常用于描述资源使用不当，后接of或不定式
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.