Level 1 · word 353 of 20,000

hard

/ˈhɑːrd/ American
Picture: hard
  • adj. 坚硬的, 困难的, 费力的
  • adv. 努力地, 猛烈地, 接近地
Definition
  • adj. firm, difficult, or requiring great effort
  • adv. with great effort, force, or closeness
Example
This math problem is harder than I expected.
这道数学题比我想的要难。