Jack is smart, and with his help, I finished my work on time.

杰克很聪明，在他的帮助下，我按时完成了工作。

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Fast food eateries such as Jack in the Box and Qdoba are turning to this Dallas-based energy firm's smart sensors to majorly slash their energy use (and costs).

Current Energy是类似Jack in the Box和Qdoba的快餐店，并开始使用达拉斯能源公司所生产的智能感应器来降低他们的能源消耗(以及成本)。

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Jack is considered very smart, for he has always done very well in the exams.

大家都认为杰克是个非常聪明的孩子，因为他考试总是很好。

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Everton's Steven Pienaar hit the bar soon after while from Mikel Arteta's smart free-kick Jack Rodwell glanced a second-half header just inches wide.

BBC: Aston Villa 1-0 Everton

Jack Lew is a Harvard-Georgetown, really smart type of guy, and God knows we probably owe him a lot.

CNN: Jack Lew: The signature that goes 'boing'!