2. Perseverance: perseverance: lettering; S: Stop. Keep carving. Metaphor is perseverance and perseverance.
3. strive for the upper reaches: upper reaches: the upper reaches of the river, metaphorically speaking, high status. Strive hard, strive for advanced and then advanced.
4. Advance despite difficulties: face difficulties.
5. Swear to death: Swear to death: Make a wish until death. Till death do us part Describe a firm-willed and single-minded.
6. Self-contained system: refers to having unique opinions or unique practices in a certain aspect of knowledge or technology and being able to be self-contained.
7. swan's ambition: swan, a metaphor for people with lofty aspirations; Ambition: ambition. Metaphor is ambitious.
8. indomitable spirit: the sky above, the ground below. Describe the image as tall, generous and heroic.
9. wholeheartedly: one body: one whole; Concentric: Qi Xin. Metaphor is closely related, * * * concentric.
10. Grinding into needles: grinding iron bars into needles. Metaphor to do any difficult work, as long as you have perseverance and hard work, you can overcome difficulties and make achievements.