It's a poor show if he forgets your birthday.

要是他忘了你的生日，那可太差劲了。

《牛津词典》

He forgets he sometimes cries.

他忘记了自己有时也会哭。

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You must remind him to take his medicine, in case he forgets.

你要钉着他吃药，别让他忘了。

《新英汉大辞典》

And he walks to the kitchen and then he forgets why he's there and you run out there.

他进了厨房，却忘了自己要做些什么,这时你跑过去。

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And in such a hurry to get out that door that he forgets his umbrella completely.

而在他匆忙地想出门之下，他完全把带伞的事抛到脑后了。

What if 课堂 - SpeakingMax英语口语达人

But he forgets his umbrella.

但他忘记带伞了。

What if 课堂 - SpeakingMax英语口语达人

He forgets the help I gave him, by the way.

CNN: STORY HIGHLIGHTS

For as every great salesman knows, the more he forgets about his product and commissions in order to selflessly serve his customers, the more product he moves and the more commissions he makes.

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Above all, he forgets a golden rule of public finance that he would do well to put alongside his rule on public borrowing: every tax preference is an increase in taxes on everything else.

ECONOMIST: Toil and muddle