\"at first\"是一个英语短语，意思是“起初”或“一开始”。它用来描述在某件事情开始时的情况或感受。例如：
- When I first moved to the city, everything was very different from where I came from.（我初到这座城市时，一切都与我来自的地方截然不同。） - At first, I wasn\'t sure if I could learn to play the guitar, but then I started practicing and became more confident.（起初，我不确定我是否能学会弹吉他，但后来我开始练习并变得更加自信。）