他忘了给表上发条了。

He had forgotten to wind his watch.

《牛津词典》

看到他刚刚15个月大的小女儿，我当时还从包里翻出一个上发条的玩具熊给她玩。

After meeting his 15-month-old daughter, I found a wind-up toy bull in my bag that she could play with.

youdao

阿尔弗雷德：我相信，你的表一点问题也没有。只不过是你忘记给表上发条罢了。你通常是什么时候上发条的呢？

Alfred: There's nothing wrong with your watch, I am sure. You've simply forgotten to wind it up. When do you usually wind it up?

youdao