请问哪一位能详细讲一下always在英文句子中的意思

ad.（副词）
1.总是,经常
They always make fun of Mr.Smith.
他们总是嘲弄史密斯先生.
2.永远,一直
Children's Day is always the first of June.
儿童节一直是六月一日.
3.(动词用进行时)老是,一再
I'm always misplacing my glasses.
我老是将眼镜乱放而找不到.
4.(与can/could连用)随时
You can always resign if you feel unhappy.
如果你不满意,随时可以辞职.

总是

always adv. 永远，一直；总是；常常
举例：
You know, I've always blamed myself for him leaving.
I always thought it was because I wasn't the son he wanted.
知道吗，我总是因为他的离去而责怪自己。
我总觉得他离开是因为，我并非他理想中的儿子。