For many students, the fourth-tone is hard to pronounce. A word with two fourth-tone syllables is more difficult to speak well. Just remember one point, we should do the fourth-tone from level 5 to level 1. Please read aloud after me. 秘密，抱歉，半夜，大象，地震，现代，介绍，信用，印象，浪漫，羡慕，适应，聚会，毕业，另外，正式，判断