短语a little bit 表示：“有一点.” 是否在其后面用比较级,要看具体的语言环境.如：I felt very hot yesterday.But it's a little bit colder today.（与昨天相比） I ususlly get up at 6:30 in the morning.I got up a little bit later this morning,because I'm free today.(与平时相比较）