[ǒu]
once in a while; occasionally
do it occasionally
偶尔为之
He comes to our room for a chat every once in a while.
他偶尔来我们房中闲谈。
We see each other once in a long while.
我们偶尔见面。
I like playing football best, but occasionally I play table tennis, too.
我最喜欢踢足球，偶尔也打打乒乓球。