infrequently
Word family noun frequency ≠ infrequency adjective frequent ≠ infrequent verb frequent adverb frequently ≠ infrequently
in·fre·quent·ly /ɪnˈfriːkwəntli/ adverbadv 1 not often 不经常发生地，罕见地 SYN rarely OPP frequently Jeremy does play cricket, but very infrequently. 杰里米确实玩板球，但次数很少。
2 not infrequently formal fairly often 经常地 The censors changed some names and dialogue and, not infrequently, banned controversial films. 审查官对电影里的一些名字和对话进行修改，并常常禁止有争议的电影发行。