at the beginning

at the beginning汉语翻译：
从头开始词意辨析：
at the beginning, in the beginning这两个词组都包含单词beginning。
at the beginning: 在......初；在......开始的时候。常与of连用。

students usually have a study plan at the beginning of term.
学生们在开学初制定学习计划。

in the beginning: 相当于at first，表示“起初、开始”时，含“起初是这种情况，而后来却不是这种情况”之意，不与of连用。

in the beginning，some of us took no interest in physics.
起初我们有些人对物理不感兴趣。

例句：

Can I go back to what you said at the beginning of the meeting?我可以再提你在会议开始时所说的事情吗?

I wish everybody good luck at the beginning of the year.我预祝大家岁首大吉。

At the beginning of the speech the chairman cracked a joke.在演讲开头主席开了一个玩笑。

I start shearing the sheep at the beginning of July.我一般在7月初开始剪羊毛。