煮烂to turn soft

• 烂饭

  mushy vegetables

• 饭要煮烂。

  The rice needs to be boiled until it's soft.

• 肉太老，所以很难煮烂。

  The meat's too tough so it's really hard to cook until so it's tender.

腐烂to rot

• 烂梨

  rotten pears

• 桃子容易烂。

  Peaches can easily go off.

• 尸体烂了。

  The corpse has rotted.

• 伤口烂了。

  The wound is festering.

• 木板已经烂了，不坚固了

  the boards have rotted and they're no longer stable

破碎to wear out

• 烂纸

  scrap paper

• 烂铁

  scrap iron

• 衣服穿烂了。

  The clothes are worn out.

蜕化变质to become degenerate

头绪乱messy

明亮<书>brilliant

• 烂烂

  brilliant

程度深completely