left field

1. N-SING If you say that someone or something has come out of left field or is out in left field, you mean that they are untypical, unusual, or strange in some way. 古怪; 乖张[usu prep N]

The question came out of left field, but Mary Ann wasn't really surprised. 问题虽然问得有点怪，但玛丽·安并不觉得惊讶。

He is, like most theorists, out there in left field, ignoring the experimental evidence. 同大多数理论家一样，他也是个怪人，对实验得出的证据置之不理。

2. N-UNCOUNT In baseball, left field is the left-hand part of the playing field. (棒球)左外野

Ichiro's opening single to left field began a string of six straight hits. 铃木一郎的对外开放左外野安打是一串连续6支安打的开始。