Useless
[ 'jusləs ]
第2级
其它 Other
adj. 无用的，无效的;无价值的;差劲的;不怎么样的;
💡 词根助记
use用+less无...的 →无用的
📝 例句
He knew it was useless to argue with his father.
他知道跟他父亲争论是没用的。
It's useless to fire away with such trivial details.
喋喋不休地谈这些琐碎的细节是无用的。
A car is useless without petrol.
汽车没有汽油就不能使用.
I realized it was useless to reason with him.
我知道和他说理是毫无意义的。
It was useless to argue with her.
跟她辩论毫无益处。
✅ 同义词
🔴 反义词
🔤 词根
-us-表示“用”
常见变体有-ut-
📖 牛津释义
useless
adj
1 not serving a useful purpose; not producing good results 无用的; 无效的; 无益的
A car is useless without petrol. 汽车没有汽油就不能使用.
It's useless arguing/to argue with them. 跟他们争论是徒劳无益的.
All our efforts were useless. 我们的一切努力都白费了.
2 (infml 口) weak or incompetent 差劲的; 不怎麽样的
He's a useless player. 他技艺很差.
I'm useless at maths. 我数学可不行.
🔁 扩展释义
*['ju:slis]a. 无用的, 无效的, 无益的【机】 无用, 无价值, 无效
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
When you have finished your experiment, please tidy the lab and put everything back in the cupboards.
做完实验后，请你们把实验室整理好，并把所有的东西放回器皿柜。
There!
哎呀！
Hold on please. I'm sorry.
请别挂断。很抱歉。