Hear, Listen
      Hear - I heard some noise in the next room.
      Listen - I enjoy listening to the radio.
      Note: "To listen" is to give attention in order to hear and understand the meaning of a sound or sounds.
      Hard, Hardly
      Hard (adj.) = (a) not soft 硬 - as hard as rock(b) difficult 困難 - This is a hard problem.
      Hard (adv.) = (a) diligently 努力地 - He worked very hard. 
      (b) with great force 大力地 - He hit the ball hard.
      Hardly (adv.) = with great difficulty - I can hardly hear you. Can you speak louder, please?
      Imaginary, Imaginative
      Imaginary = existing only in the mind; not real 虛構的 - The film was about an imaginary country.          Imaginative = full of imagination 富想像力的 - She has an imaginative mind.
      Know, Recognize
      Know = be acquainted with 認識 - Do you know the man who attacked you?
      Recognize = identify someone or something seen before 認出 - Can you recognize the man who attacked you?
      Late, Lately
      Late (adj.) 遲到 - He is often late for work.
      Late (adv.) - He arrived home late.
      Lately = recently 最近 - I have been very busy lately.

      Exercise 練習
      1. hard/hardly/hard-working
      (a) "Speak louder! We can __________ hear you."
      (b) He is a __________ student. He works very __________.
      (c) He kicked the ball __________.
      2. hear/listen to
      (a) "Do you __________ me?"
      (b) "Paul, you're not __________ me."
      3. know/recognize
      (a) I have __________ Mr. Wong for five years in my capacity as his supervisor at ABC Company.
      (b) We met so long ago that you don't __________ me.
      4. late/lately
      (a) He came rather __________ in the evening.
      (b) Have you seen him _________?
      Answers:1. (a) hardly  (b) hard-working  (c) hard  (d) hard
      2. (a) hear   (b) listening to
      3. (a) known  (b) recognize
      4. (a) late  (b) lately