from time to time , on occasions
Dancing is a chore at whiles.
跳舞有时是件烦人的事。
youdao
Gloom hung upon his father's brow at whiles.
他父亲时常愁眉不展。
He likes playing the piano but at whiles he plays the violin.
他喜爱弹钢琴，但有时也拉小提琴。
At home, always keen to stay off his feet, he plays computer games with his brother as he whiles away the hours between track sessions.
BBC: London calling for young hurdler Jehue Gordon
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