1. An action or activity performed by one person independently, without assistance from others
The detective decided to take solo action to catch the criminal.
O detetive decidiu tomar uma ação solo para pegar o criminoso.
2. In military or tactical contexts, an operation conducted by a single unit or individual
The pilot performed a solo action during the training exercise.
O piloto realizou uma ação solo durante o exercício de treinamento.
3. In performance or entertainment, a performance by a single artist
The musician's solo action on stage impressed the audience.
A ação solo do músico no palco impressionou o público.