on occasion
... on occasions间或, 有时 sort out分拣,分类,清理;澄清,解决 keep track of记录,掌握…的线索 ...
at times
... at times有时;不时;间或;偶然 at heart内心里;在内心;实质上;本质上 at best充其量;至多;最多;最好的情况下 ...
once in a while
... all the while 始终;一直 once in a while 偶尔;间或 while n. (只用单数) 一会儿;一段时间 ...
now and then
... not to mention/speak of更不用说;更不必说 (every)now and then时不时地,偶尔;间或 now that既然 ...
间或,词语,读作“jiàn huò”,意思是相当于“有时候”、“偶尓”、“偶然”;时断时续;有时候。