Which was exactly what my friends had been seeking that whole time, reading He's Just Not That Into You and sending covert text messages to decipher their dates' behavior.

那正是我的朋友们一直在寻找的，她们相互偷偷摸摸地发着“他对你没什么意思”之类的短信，解读着她们约会对象的行为。

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This article reviews the studies of covert face recognition from two aspects:(1)behavior research; (2)neural basis and its operating mechanisms.

该文从两方面对内隐面孔再认的研究进行了回顾：（1）行为研究；（2）神经基础及其运行机制。

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The cancellation of the administrative examination and approval items, should cogent strengthen follow-up monitoring work, and resolutely put an end to all kinds of covert approval behavior.

对已经取消的行政审批项目，要切实加强后续监管工作，坚决杜绝各种变相审批行为。

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Twombly decision in 2007 made it much harder for class-action lawyers to sue over such covert behavior.

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Studies show that while bullying can manifest as overt bad behavior like physical violence or screaming, more often than not it can be more covert.

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