at first:首先,起先；最初；起初 同义词:in the beginning，at the start，originally，initially，at the outset 例句：
1.They did not know that she was dead, at first. 最初他们并不知道她死了。
2.He looked puzzled at first, then smote his hands together as he remembered. 他开始迷惑不解，接着他紧握双手尽力地回想起来。
3.The store of nutriment laid up within the seeds of many plants seems at firstsight to have no sort of relation to other plants. 许多植物的种子内部积贮养料，初看似乎和其他植物没有什么关系。
4.At first she was against Pen, and suspicious of him, she was his partisan now. 起先她反对小潘，怀疑他不怀好意，现在却跟他很投契。
5.When he stood in the center of the circle, he was so disguised in these newcolours that, at first, the hunter did not recognize him. 当他站到场子中间的时候，由于他脸上画着这种新花纹，面目全非，打猎将乍一看都认不出他来了。
