Correct

事无巨细

/ shì wú jùxì /
Strokes

Definition

lit. things are not separated according to their size (idiom)/fig. to deal with any matter, regardless of its importance

Example

Definition

all matters, big or small; all matters whether important or trivial

1
bu
néng
shì
事无巨细
dōu
lǎn
xiàlai
下来
  

I can't take charge of everything.

2
Shì
事无巨细
  
,
dōu
hěn
rènzhēn
认真
  

He does everything, big or small in real earnest.