Difficult

1.

~ (to do something) (needing much effort or skill, troublesome, perplexing, hard to do, hard to satisfy) difficult problem ដែលពិបាក
Example: These sums are very difficult, It is difficult to understand (to imagine, to say), A difficult question to answer.

2.

(វេជ្ជសាស្ត្រ) លំបាក

• difficult child
  - ក្មេងដែលពិបាក
• difficult coitus
  - ការរួមដំណេកឈឺ
• difficult digestion
  - ភាពពិបាករំលាយអាហារ
• difficult life
  - ជីវិតដែលលំបាក
• difficult of access
  - ពិបាកចូលទៅដល់
• difficult urination
  - ភាពទល់នោម