She cast around desperately for a safe topic of conversation.

她绞尽脑汁寻找稳妥的话题。

《牛津词典》

The compiler will simply emit an unchecked conversion warning, because it doesn't know if the cast is safe or not.

编译器仅仅发出一个类型未检查转换警告，因为它不知道这种转换是否安全。

youdao

Therefore, unless you have implemented your own transformation context it is safe to cast instances of ITransformContext to this interface.

因此，除非您实现的是自己的转换环境，对该界面使用ITransformContext的实例也是很安全的。

youdao

But she said she was "totally confident" that the crew did everything to keep the cast safe - no allegations of abuse have been made relating to Mr Owen's time with HTV.

BBC: NEWS | UK | Wales | TV team 'not told' of abuse claims

It's just an opportunity to have the polling place be a safe place for voters of all opinions to cast their ballots.

NPR: Can Your Clothes Keep You From Voting On Election Day?

"It's a thorny issue on both sides, especially since the U.K. has cast doubt on whether Berezovsky would receive a fair trial over there and indeed be safe, " said Global Insight's Augur, adding that it is unlikely that Lugovoi will be extradited.

FORBES: Magazine Article