Correct

现买现卖

/ xiàn mǎi xiàn mài /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/现买现卖-Chinese-idioms-Cchatty-7389f660-e9bd-42bb-98ef-7cb8a964ae36-1612777740.jpg

Collocation

1
现买现卖地做某事
2
真是现买现卖
3
真会现买现卖

Definition

现买现卖

Literally means:

selling something right after it is bought

Actually means:

It figuratively means teaching what on has just acquired or doing something immediately after one has learned it.

刚买进来就卖出去。比喻刚刚学会了就去教别人,或刚学了就照着做。

Example

Used as predicate, adverbial adjunct or object. (作谓语、状语、宾语)
1
bìng
jiàng
duōshǎo
多少
  
,
zhè
jiàn
shìqing
事情
shì
zuótiān
昨天
ǒurán
偶然
zài
běn
shū
shàng
kàndào
看到
liǎo
  
,
jīntiān
今天
wèn
le
  
,
jiù
xiàn
mǎi
xiàn
mài
  

I am not much better than you, this matter I happened to see in a book yesterday, today you asked, I will buy now for sale.

2
fǎngzhào
仿照
xiānsheng
先生
de
shū
书法
  
,
xiàn
mǎi
xiàn
mài
xiě
le
xiē
一些
cǎoshū
草书
chūnlián
春联
  
,
wàihángrén
外行人
kànlai
看起来
hái
juéde
觉得
hěn
cuò
不错
  

He imitates Mr. Ma's calligraphy, now buys and sells land to write some cursure Spring Festival, the layman still looks very good.

3
Zhǎnlǎnhuì
展览会
shàng
de
jiǎngjiěyuán
讲解员
suīrán
虽然
shì
línshí
临时
zhǎo
lái
de
  
,
dàn
dōu
shì
xuéshēng
大学生
  
,
suǒ
所以
jiǎndān
简单
péixùn
培训
xià
jiù
néng
xiàn
mǎi
xiàn
mài
le
  

Although the explainers at the exhibition are temporarily found, but are college students, so a simple training can be bought and sold now.