from time to time 不时 ; 有时 ; 时常 ; 偶尔
alarm from time to time 定时报警
surface from time to time 时有发生
update from time to time 桌面月历壁纸
From time to time adventure 时不时的冒险
appear from time to time 从表面看来 ; 不时出现时间 ; 不时出现
continue from time to time 断断续续
heard from time to time 时有所闻
From time to time he passed on confidential information to him.
他不时地传送机密情报给他。
《柯林斯英汉双解大词典》
There was a distant look in her eyes from time to time, her thoughts elsewhere.
她的眼中时而出现恍惚的神情，她的思绪飘到别处。
She has to work at weekends from time to time.
她偶尔周末还得工作。
《牛津词典》
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