free agent

柯林斯词典

1. N-COUNT If you say that someone is a free agent, you are emphasizing that they can do whatever they want to do, because they are not responsible to anyone or for anyone. 自由不需负责任的人
We are not free agents; we abide by the decisions of our president. 我们不是自由不需负责任的人；我们遵守总统的决定。
2. N-COUNT If an athlete is a free agent, he or she is free to sign a contract with any team. 自由球员[美国英语]