judgment call
noun [ C ] uk/ˈdʒʌdʒ.mənt ˌkɔːl/ us/ˈdʒʌdʒ.mənt ˌkɑːl/
主观判断（以自己的观点作出的决定）
a decision someone has to make using their own ideas and opinions
It's a judgment call - do we go by plane or risk taking the car to the conference? 主观判断一下——我们是乘飞机还是冒险乘车去开会？