The one with a uniform like ladies` red flannel underdrawers.

他穿着像红色法兰绒女衬裤一样的制服.

Then the door of the wooden outhouse standing in one corner of the yard opened and out he came,fastening his linen underdrawers.

突然，院子一角厕所的木门开了，他出来了，正在系亚麻布的内裤。