To delay would make the cure much more difficult.

拖延就会给治疗增加困难。

youdao

The disadvantage is lower mechanical strength, oil, solvent and acid poor, difficult to cure more expensive.

缺点是机械强度较低，耐油、耐溶剂和耐酸碱性差，较难硫化，价格较贵。

youdao

Conclusion The elderly chest trauma patients have more complications and cure is difficult and treatment duration is long.

结论老年胸外伤合并症多，救治难度偏大，治疗时间较长。

youdao

"And since it is so much more expensive and so much more difficult to cure, that would be a catastrophe."

VOA: standard.2009.12.09