Correct

细枝末节

/ xì zhī mòjié / 
Strokes

Definition

minor details/trifles

Example

Definition

minor/frivolous details; minute particulars; non-essentials

1
Tāmen
他们
jìn
尽
chě
扯
xiē
些
xìzhīmòjié
细枝末节
de
的
shì
事
  
。

Their talks were all about trifles.

2
Lüè
略
qù
去
xìzhīmòjié
细枝末节

omit/spare the details