corridor of uncertainty
noun [ S ] mainly UK uk/ˌkɒr.ɪ.dɔːr əv ʌnˈsɜː.tən.ti/ us/ˌkɔːr.ə.dɚ əv ʌnˈsɝː.tən.t̬i/
（足球比赛中后防线与守门员之间的）不定走廊
in football, the area directly in front of the goal but behind the defenders. If a ball from a cross or corner comes into this area, it can cause problems for the goalkeeper and defenders because they are often uncertain about who should deal with it.