Mid-stream: metaphor is determined to work hard.
Perseverance: This description of dance movements is powerful. Metaphor is ambitious and strives for progress.
About unity as one: unity as one, unity as one, concerted efforts and single-mindedness,
About courage and tenacity: go forward bravely, sacrifice one's life for righteousness, persevere, be strong and unyielding,
About efforts: efforts, efforts, foresight,