Correct

用不上

/ yòng bù shàng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/用不上-Chinese-idioms-Cchatty-c6015992-fbfb-4557-86b3-57f00002d927-1612777752.jpg

Collocation

1
用不上煤气
2
用不上电
3
用不上水
4
用不上的东西
5
早就用不上
6
已经用不上
7
但是用不上
8
都用不上

Definition

用不上:

Literally means:

have no way to use it; something is not available

Actually means:

It means that something is of no use, often because the condition does not permit or that there is no need to use it.

Due to the limited living conditions, people do not have available the things that are actually necessary and useful to them.

指某物不发挥作用。常因缺乏使用的条件,或不需要使用等而无法使用。

因为生活条件的限制,需要用的东西不能使用。

Example

Used as predicate. (作谓语)
1
ge
那个
fāng
地方
de
diànlǎn
电缆
hái
méiyǒu
没有
hǎo
  
,
suǒ
所以
mín
居民
shí
hái
yòng
shàng
diàn
  

The cables in that place haven't been laid yet, so the residents haven't been able to use electricity for a while.

2
Zài
běifāng
北方
  
,
dōngtiān
冬天
yàoshi
要是
yòng
shàng
nuǎn
暖气
  
,
rénmen
人们
shì
méiyǒu
没有
bàn
办法
shēnghuó
生活
de
  

In the north, people can't live without heating in winter.

Used as predicate or attributive. (作谓语、定语)
3
Yóu
由于
méiyǒu
没有
rén
huì
cāozuò
操作
  
,
chǎng
厂里
mǎi
lái
de
xiē
一些
xiānjìn
先进
shèbèi
设备
dōu
yòng
shàng
  

Since no one will operate, some of the advanced equipment bought in the factory is not in use.

4
Xiànzài
现在
háizi
孩子
cháng
长大
le
  
,
zhèxiē
这些
yòng
shàng
de
értóng
儿童
huà
画册
可以
sòng
rén
le
  

Now that the children have grown up, these useless children's pictures can be taken and sent away.

5
Háizi
孩子
cái
shàng
xiǎoxué
小学
nián
年级
  
,
gēnběn
根本
yòng
shàng
diànnǎo
电脑
  
,
不必
zhāo
mǎi
  

Children only go to the first grade of primary school, do not use a computer at all, do not have to rush to buy.