Very young children should not be left to play without supervision.

不能让幼儿在没人照看的情况下独自玩耍。

《牛津词典》

Have positive work attitude and be willing and able to work diligently without supervision.

有积极的工作态度，愿意并能够在没有监督的情况下勤奋地工作。

youdao

Have positive work attitude and be willing and able to work diligently without supervision.

有的工作，愿意和能够在监督的情况下勤奋地工作。

youdao

The National Institutes of Health suggests that women limit their calories to no less than one thousand two hundred calories a day without medical supervision.

VOA: special.2010.06.08

America's National Institutes of Health has suggested that women limit calories to no less than one thousand two hundred calories a day without medical supervision.

VOA: special.2011.07.05

This includes practicing without a doctor's supervision and prescribing narcotics such as morphine for pain.

VOA: standard.2010.05.14

Many children and teenagers appeared to be using sunbeds without supervision, with 23% using them at home.

BBC: Charity demands child sunbed ban

And until a director is confirmed, these institutions will operate without supervision and oversight, just like before the crisis.

WHITEHOUSE: The White House

When she was allowed to go out without supervision, she went to see old movies at the Thalia and the New Yorker.

NEWYORKER: Changing Times