at times 有的字典上说是偶尔\有时.有的说时常,到底是什么?

at times:
有时
例句与用法:
1.She is very petty at times.
她有时很小心眼.
2.One expects active children to be mischievous at times.
活泼的孩子有时是会淘气的.
3.He went to the badminton club at times during his school days.
他上学时有时到羽毛球俱乐部去.
4.Courtesy,and even a little hypocrisy at times,will help the wheels of any community system to run smoothly.
谦虚,甚至偶尔的一点虚伪,有助于社区机构的车轮平稳地运行.
5.He behaves very oddly at times I don't think he's quite all there.
他有时很怪--我觉得他头脑不太正常.
6.He's a real gentleman,if a little pompous at times.
他可是个正人君子,虽然有时略显得傲慢了些.