difficult (adj.)

hard to do or understand

Examples

• This puzzle is difficult.

Key rules

• Difficult means hard to do or understand
• Use difficult to + verb, or difficult for + person
• Difficulty is the noun, and have difficulty + -ing is common

Common mistakes

• It is difficult of understand → It is difficult to understand
• I have difficulty to sleep → I have difficulty sleeping

Use cases

• Describing problems
• Talking about tasks in study
• Discussing challenges