?时常
... between two fires 遭两面夹攻 between whiles 时常 between wind and water 在船的水线处 ...
?间或
... a while back 不久前,几周(或几月)前 between whiles 有时,时常;间或 for a while (或 season) 暂时,一会儿 ...
?不时的
... while away 消磨;消磨时间 all this while 这阵子 between whiles 不时的,时常 ...
不时的,时常
as often as not
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。