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insufficient for sth
用于表示某物在数量或程度上无法满足某个需求。
The budget is insufficient for the project.
预算不足以支持这个项目。
不足的，不够的
先理解核心含义，再看它在真实句子里的用法。
不足的，不够的
Not enough to meet a need or requirement.
The budget is insufficient for the project.
预算不足以支持这个项目。
不充分的；不足以满足要求或需要的
Not sufficient; of a type or kind that does not suffice, that does not satisfy requirements or needs.
数量上不能满足需要或要求的；不足的
of a quantity not able to fulfill a need or requirement
不充分的；缺乏能力或资格；不胜任的
Not sufficient; lacking competent power or ability; unqualified, unequal, unfit.
The money in my wallet was insufficient to cover the bill.
我钱包里的钱不够付账。
AI contextual example
The time allocated for the exam was insufficient for most students.
分配给考试的时间对大多数学生来说不够。
AI contextual example
The evidence was insufficient to convict the defendant.
证据不足以给被告定罪。
AI contextual example
insufficient funds
资金不足
WordNet
用于表示某物在数量或程度上无法满足某个需求。
The budget is insufficient for the project.
预算不足以支持这个项目。
后接不定式，表示不足以完成某个动作。
The evidence is insufficient to prove his guilt.
证据不足以证明他有罪。
用于指出在某方面（如营养素、质量等）的缺乏。
The diet is insufficient in vitamin C.
饮食中维生素C不足。
Not this
We have insufficient of time.
Use this
We have insufficient time.
在英语中，insufficient 是形容词，不能直接跟介词 of。应直接修饰名词，表示“不足的”。
Not this
This amount is insufficient to the project.
Use this
This amount is insufficient for the project.
表示“对……不足”时，应用介词 for，而非 to。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
证据不足
The case was dismissed due to insufficient evidence.
该案件因证据不足而被驳回。
资金不足
The project was halted because of insufficient funds.
该项目因资金不足而暂停。
时间不足
We had insufficient time to complete the task.
我们没有足够的时间完成任务。
数据不足
The analysis was inconclusive due to insufficient data.
由于数据不足，分析未能得出明确结论。
资源不足
The school struggled with insufficient resources.
这所学校因资源不足而举步维艰。
容量不足
The hospital has insufficient capacity to handle the surge.
该医院容量不足，无法应对激增的患者。
Use insufficient naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：in-（不）+ sufficient（足够的）= 不足的
“insufficient”通常为中性，多用于正式或书面语境，表示数量不足。
sufficient, deficient, efficient, and proficient all rhyme with insufficient (stressed vowel /ɪ/, ending /ʃənt/). Patient and different share the spelling ending -ent but are pronounced with different vowels and do not rhyme.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.