often是什么意思

often as尽管…常常

as often as每当

more often经常（更多频率）

more often than not通常；多半

how often多长时间一次

so often偶然

most often最经常；很多时候；通常来说

every so often adv. 偶尔；常常；时常

all too often时常，经常是

once too often又一次；次数太多