Correct

三下五除二

/ sān xià wǔ chú èr /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/三下五除二-Chinese-idioms-Cchatty-8272ffee-fbc2-4415-a177-0dba99933a7b-1612776148.jpg

Collocation

1
他一到就三下五除二地……
2
早就三下五除二
3
他三下五除二,很快就……

Definition

三下五除二

Literally means:

the abacus calculation formula

Actually means:

It is originally an abacus formula. Figuratively it means one is very quick and decisive in doing something or in his action.

原本是珠算的一个口诀。形容做事或动作干脆敏捷,不犹豫,不拖拉。

Example

Used as predicate or adverbial adjunct. (作谓语、状语)
1
sānxiàchúèr
三下五除二
  
,
xiàzi
下子
jiù
de
diànnǎo
电脑
xiūhǎo
修好
le
  

He divided my computer three times and two, and all of a sudden he fixed my computer.

2
Xiūchē
修车
de
shīfu
师傅
dào
  
,
èrhuàshuō
二话不说
  
,
jiù
sānxiàchúèr
三下五除二
lúnzi
轮子
zhuāng
hǎo
le
  
,
dòngzuò
动作
hěn
li
麻利
  

The master of repairing the car arrived, two words do not say, on three under five divided by two put the wheels installed, the action is very mascara.

3
Yàoshi
要是
ge
哥哥
zàichǎng
在场
  
,
zǎojiù
早就
sānxiàchúèr
三下五除二
  
,
dǎi
歹徒
gěi
zhì
制服
le
  

If my brother had been there, he would have been three or five divided by two, and the gangsters would have been subdued.