美 [ɑːn ə'keɪʒən] 英 [ɒn ə'keɪʒən]

on occasion

Adverb

now and then or here and there;

"he was arrogant and occasionally callous"
"open areas are only occasionally interrupted by clumps of trees"
"they visit New York on occasion"
"now and again she would take her favorite book from the shelf and read to us"
"as we drove along, the beautiful scenery now and then attracted his attention"

on occasion近义词

sometimes at times once in a while occasionally now and again now and then from time to time

on occasion