同义词：from time to time，now and again，now and then，occasionally，on occasion，once in a while;

at times的英语解释：

now and then or here and there

at times的例句：

1.Perseverance is failing nineteen times and succeeding the twentieth

失败十九次,坚持而不动,待到二十次,大事就成功

2.We must repeat a thousand and one times that perseverance is the only road to success

我们必须千百次地反覆说明,坚韧不拔是取得胜利的唯一道路

3.Turn your tongue seven times before speaking

话到嘴边留三分

4.No man (or one) is wise at all times

聪明一世糊涂一时

5.Silence in times of suffering is the best

遭到不幸时,沈默是上策