a solo attempt的用法和样例：
- Take on waves of invading soldiers and hold your position on the beach head in a solo attempt to decimate the enemy's forces.
- He has been asked to sing a solo at the concert.
- I draw the line at singing a solo in public. I'll tell jokes but I won't sing.
- WY: You could do a solo exhibition.
- A solo with or without accompaniment.
- As a solo album, this is his first.