[usually before noun] done, chosen, etc. without sb thinking or deciding in advance what is going to happen, or without any regular pattern
随意的；任意的；未经事先考虑的◆Create passwords using a random assortment of letters, numbers and symbols.
使用随机组合的字母、数字和符号产生密码。◆The information is processed in a random order.
信息是按照随机顺序处理的。 ▸ ˈrandomly

adverb