The vocabulary of Chinese Lesson 20 in the first volume of the fourth grade is as follows:
1. Bluff: to frighten, to bluff, to bluff.
2. Sophistry: sophistry and weirdness.
Three, stagger: stagger, jump, jump.
4. Stagger: stagger, stagger, stagger.
5. Crotch: crotch.
6. Thunder: thunder, thunderbolt.
7. Thunder: thunderbolt, thunderbolt from the blue.
8. Leak: leak, reveal secrets.
9. Su: Susu, Suluo.
10. Burst: Burst, burst.
11. Crisp: soft and crisp.