Replace the batteries and refasten the cover.

请更换电池,再将盖子盖紧.

Norman stooped to refasten the padlock.

下腰重新好挂。

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

他将冻得通红的手袋里拿出来，下腰，将冰雪覆盖的金属扣又重新扣上。