A three-year-old might need help in understanding that other children feel pain just as he does, and that hitting a playmate over the head with a heavy toy requires an apology.

一个三岁的孩子可能需要他人帮助，才能理解其他孩子也和他一样会感到疼痛，用玩具重重地打了玩伴的头是需要道歉的。

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Deta had heard from her lady that a sweet, quaint child was wanted as playmate and schoolmate for the invalid.

迪蒂从她的主人那里听说，需要一个甜美又精怪的孩子做病人的玩伴和同学。

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Despite incidents such as the recent death of a 6-year-old New Jersey boy shot in the head by a 4-year-old playmate, as well as the accidental shooting of a Tennessee sheriff's deputy's wife by a 4-year-old boy, accidental firearms deaths are rare among children.

CNN: Before the play date, the gun talk

When one of the orang-utans displayed an open, gaping mouth, its playmate would often display the same expression less than half a second later.

BBC: RELATED BBC SITES

Elie became one of the most high-profile online poker processors and even married a former Playboy Playmate, Destiny Davis, the day after he was indicted.

FORBES: Jailed Online Poker Payment Processor Sues His Former Lawyer For Malpractice