2.[ Pinyin ]: y and G incarnation groups
3. [Interpretation]: The original meaning refers to playing the first drum in a battle, and courage does it one brace up. The metaphor is done immediately when the momentum is strong.
4.[ sentence]:
(1) Our army made great efforts and captured two enemy strongholds.
Let's work together in Qi Xin to finish the rest.
(3) Taking advantage of this great victory, our army should go all out to attack Huanglong and sweep the caves and plow the court.
(4) There is an old saying, "Once you make efforts, you will be exhausted and then you will fail." .
We should try our best to finish the preparations for the sports meeting in three days.