hand in

基本解釋

He looked at his hand in disbelief.
他難以置信的望著他的手。
He held my hand in a friendly grasp.
他友好地緊握著我的手。
《新英漢大辭典》
I placed two hearts on my own glasses, and together we entered his school, hand in hand, parting the crowd in the hallway on our way to his classroom.
我又把兩個(gè)紅心貼在我自己的鏡片上，然后我們一起走進(jìn)學(xué)校，手拉著手，穿過(guò)走廊中的人群，朝他的教室走去。

On average,students using swear words were able to keep their hand in the water for about two minutes.
And it might turn out that although,normally, having what matters goes hand in hand with surviving, logically speaking,they can come apart.
也許結(jié)論就是，雖然通常，擁有這些重要的東西和生存息息相關(guān)，邏輯上來(lái)說(shuō)，它們是可以分開的。
耶魯公開課 - 死亡課程節(jié)選
and that they're holding the pen in the right hand in a wide shot,
還要保證的是演員在遠(yuǎn)景里用右手拿筆，
制作電視節(jié)目 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

This transaction will provide a stronger hand in the high-stakes game of global smartphones.
FORBES: Just What Did Google Buy?

If you hand in something such as homework or something that you have found, you give it to a teacher, police officer, or other person in authority.
If you hand in your notice or resignation, you tell your employer, in speech or in writing, that you no longer wish to work there.