at the first thought的意思|示意

At first, I thought the challenge would be to train her to sit, to heel, to walk calmly beside us and not go wildly chasing the neighborhood rabbits.

一开始，我以为挑战在于训练它坐下、跟在我们后面、安静地走在我们身边，而不是疯狂地追逐附近的兔子。

He tore open the envelope and at first thought it was empty. Then he noticed a single white feather had fallen from it.

他撕开信封，最初还以为里面空无一物，随后才发现有一根从信封中飘落的洁白羽毛。

At first I thought I was underqualified for the job.

起初我还以为我无法胜任此工作。

It had stunk for several days, and at first I'd thought I was imagining the fishy odor, but it had become more pronounced.

几天来，一直都有臭味，起先，我以为那股鱼腥味是我的幻觉，可是味道越来越明显。

At first the National Highway Traffic Safety Administration (NHTSA) and Toyota thought that a badly fitting floor mat could have jammed the accelerator open.

起初，美国国家公路交通安全管理局(NHTSA)和丰田认为，不合适的脚垫可能卡住加速器，使之无法打开。

At first, I thought no one could run the business as I could.

开始时，我认为没有人会像我一样管理公司。