Correct

牢不可破

/ láo bùkě pò /
Strokes

Example

Definition

unbreakable; indestructible; impregnable

1
men
我们
de
zhèngquán
政权
shì
láo
牢不可破
de
tóngqiángtiě
铜墙铁壁
  

Our political power is truly impregnable bastion of iron.

2
Láo
牢不可破
de
yàosài
要塞
  
/
bǎolěi
堡垒

impregnable fortress/stronghold

3
Láo
牢不可破
de
yǒu
友谊

unbreakable friendship