Correct

只字不提

/ zhī zì bù tí /
Strokes

Definition

not to mention (idiom); to say not one word/fig. to omit mention (of a non-person or embarrassing topic)/to censor

Example

Definition

not say a single word about sth; not so much as mention sth; be silent about sth; say nothing about sth

1
Guān
关于
jià
度假
de
shì
duì
men
我们
zhī
只字不提
  

He didn't tell us a thing about his holiday.