difficult/'dɪfɪkəlt/

a. not easy

a. 难的；艰难的：a difficult problem/exam 很难的问题/考试

◇[it is difficult (for sb) to do sth] It's difficult for you to finish all the homework within one hour. 你很难在一个小时内完成所有的家庭作业。

◇[(sth) is difficult to do] The frozen ground is difficult to dig. 冰冻的地面很难挖。

◇He's difficult to please. 很难满他的意。

常犯错误

✗ He is difficult to pass the test.

✓ It's difficult for him to pass the test.

✓ Passing the test is difficult for him. 他很难通过考试。