1
fruitless + noun
常用于 attempt, effort, search 等名词前
a fruitless attempt
一次徒劳的尝试
毫无结果的；徒劳的；无成效的
先理解核心含义，再看它在真实句子里的用法。
毫无结果的；徒劳的；无成效的
unproductive; yielding no result; useless
a fruitless attempt
一次徒劳的尝试
不结果实的；贫瘠的。
Bearing no fruit; barren.
无成效的,无用的。
Unproductive, useless.
After hours of searching, the effort was fruitless.
经过数小时的搜索，努力毫无成效。
Their negotiations proved fruitless.
他们的谈判被证明是徒劳的。
It was a fruitless attempt to fix the old computer.
修理那台旧电脑的尝试是徒劳的。
常用于 attempt, effort, search 等名词前
a fruitless attempt
一次徒劳的尝试
正式用法，表示做某事没有结果
It is fruitless to argue with him.
与他争论是徒劳的。
常与 prove 连用，表示最终无结果
The search proved fruitless.
搜索被证明是徒劳的。
Not this
The fruitless of his effort made him frustrated.
Use this
The fruitlessness of his effort made him frustrated.
fruitless 是形容词，不能直接用作名词；应使用其名词形式 fruitlessness 表示“无结果”。
Not this
The meeting was fruitless and we achieved all goals.
Use this
The meeting was fruitful and we achieved all goals.
fruitless 意为“没有成效的”，与句子后半部分“实现了所有目标”矛盾；应改为 fruitful。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
徒劳的搜寻
After hours of fruitless search, they decided to give up.
经过数小时徒劳的搜寻，他们决定放弃。
徒劳的尝试
His fruitless attempt to fix the old car wasted the whole afternoon.
他修复那辆旧车的徒劳尝试浪费了整个下午。
徒劳的努力
All their fruitless efforts ended in disappointment.
他们所有徒劳的努力都以失望告终。
毫无结果的谈判
The fruitless negotiation between the two sides lasted for days.
双方毫无结果的谈判持续了数日。
毫无结果的讨论
The committee held a fruitless discussion about the budget cuts.
委员会就削减预算进行了毫无结果的讨论。
徒劳的任务
Searching the messy room for the missing keys proved to be a fruitless task.
在凌乱的房间里寻找丢失的钥匙被证明是一项徒劳的任务。
徒劳的努力
After months of fruitless effort, the team decided to change its approach.
经过数月徒劳的努力，团队决定改变方法。
毫无结果的寻找
The police conducted a fruitless search of the area.
警方在该地区进行了毫无结果的搜寻。
徒劳的任务
Trying to persuade him turned out to be a fruitless task.
试图说服他结果是一项徒劳的任务。
他们把一顶不结果实的王冠戴在我头上。
The search for the missing documents proved fruitless.
寻找失踪文件的努力一无所获。
Use fruitless naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 fruit（果实）+ less（无）想成“树上没有果实”，努力却没收获，就是“徒劳无果”的。
语域：formal 常见场景：academic writing、official reports、literary texts fruitless 常用来形容努力、尝试或行动毫无结果、徒劳无功，通常用于正式或书面语境，如学术写作、报告、文学作品；日常口语中较少见，更常说 useless 或 pointless。
brute 和 loot 与 fruitless 的重读音节 /fruːt/ 押韵（都读 /uːt/）。ruthless、useless 和 helpless 共享后缀 -less，但不押韵；注意 ruthless 读 /ˈruːθləs/，useless 读 /ˈjuːsləs/，元音不同。juice 的 ui 拼写与 fruitless 里的 ui 相同，都是 /uː/，但结尾是 /s/，所以不押韵。
Dictionary facts from ECDICT, WIKTIONARY.