It wouldn't be safe for him to be left to himself.

让他一个人呆着不安全。

youdao

There is a suggestion that ragwort honey might not be safe for humans, but there is no indication that this made the timing of the proliferation particularly unfortunate.

有一种说法是，泽菊蜜可能对人体不安全，但目前没有迹象表明，这使得繁殖的时机把握得特别不幸。

youdao

The escape crew’s secret appears to be safe for now.

越狱团队的秘密看来现在还是安全的。

youdao

Walking is safe. And,it is said be to as valuable for one's health as more intense forms of exercise like jogging.

VOA: special.2010.06.08

They are trying to make sure that cacao can be grown in a way that is fair to the farmers and safe for the environment.

VOA: special.2010.02.17

She says there was nowhere for them to feel safe and be kids.

VOA: special.2010.05.03

If we are giving drugs to well people, they must be safe for extended periods.

FORBES: Mt. Sinai Researcher On Why Alzheimer's Theory Critics Are Wrong

Sony claimed that recordings would be safe for more than 30 years without risk of degradation.

BBC: Sony to make last MiniDisc stereo system in March

The British Heart Foundation said clinical trials were needed to show it would be safe for patients.

BBC: Heartbeat 'could power pacemaker'