once in a while

[同] from time to time, at times, now and again, now and then, occasionally, on occasion, once in a while

[例]

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

偶尔我也喜欢吃些味浓的东西。

偶而开怀大笑没有什么坏处。

我们偶尔下馆子。