Replace the batteries and refasten the cover.

请更换电池,再盖子盖紧.

Norman stooped to refasten the padlock.

诺曼弯下腰重新。

Lenny took his bare red hands out of his pockets and bent down to refasten the snow-crusted, icy metal clasps.

冻得通红的手从口袋里拿出来，弯下腰，冰雪覆盖的金属扣又重新扣上。