adj.无法打破的，牢不可破的

The unbreakable bond between siblings is a testament to their lifelong loyalty.
兄弟姐妹之间牢不可破的纽带是他们一生忠诚的证明。
She wears an unbreakable smile, no matter how tough the situation becomes.
无论处境多么艰难，她都保持着坚不可摧的笑容。
His resolve was unbreakable; he would not back down from his commitment.
他的决心坚不可摧，不会放弃自己的承诺。
The unbreakable vase survived the fall from a great height without any damage.
那个坚固的花瓶从高处摔下竟然毫发无损。
The unbreakable promise made under the moonlight will forever be remembered.
在月光下的那个不可打破的誓言将永远铭记在心。
A unbreakable code of honor is essential in military operations.
军事行动中，坚不可摧的荣誉准则至关重要。
She built an unbreakable wall around her heart after the painful breakup.
悲痛分手后，她在心中筑起了一道坚不可摧的墙。
The unbreakable trust they shared allowed them to overcome any obstacle.
他们之间坚不可摧的信任使他们能够战胜任何困难。
The unbreakable friendship between these two rivals is a remarkable story.
这两个对手之间坚不可摧的友谊是一个非凡的故事。
The unbreakable mirror in the museum was said to reflect the truth without distortion.
博物馆里的那面坚不可摧的镜子据说能如实反映真相，不带丝毫扭曲。