We ask the public to have their dogs neutered and keep them under close supervision.

我们要求大众阉割自家的狗，并对它们进行紧密监视。

《柯林斯英汉双解大词典》

Mr ElBaradei's argument is that it is better to let Iran continue limited work under close supervision.

巴拉迪的说法是，最好让伊朗在检查人员密切的监管下继续有限的工作。

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Performs, under close supervision, simple, routine, and repetitive tasks using standard procedures, tools, materials, machines, and equipment.

在严密监督下，使用标准程序、工具、材料、机器和设备完成简单的、日常的、重复性工作。

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The intern does not displace regular employees, but works under close supervision of existing staff.

FORBES: 6 Legal Requirements For Unpaid Internship Programs

Each of the participants spent two six-day stints under close supervision in a sleep lab.

CNN: Sleep deprivation spurs hunger

Control orders introduced under Labour placed terror suspects under close supervision which critics described as similar to house arrest.

BBC: Labour questions TPims as terror suspect absconds