She cast around desperately for a safe topic of conversation.
她绞尽脑汁寻找稳妥的话题。
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。
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。
Type-safe means that the macro verifies that the specified operation can be performed on the given type before attempting to cast.
类型安全意味着宏在进行类型转换之前，会验证指定操作可以在指定类型上安全地执行。
Unfortunately, if a future API revision lets you add elements of types other than JMenu to a JMenuBar, it will no longer be necessary, or even safe, to cast the returned elements to JMenu.
不幸的是，如果将来的API修订版允许将除jmenu类型之外的元素添加到JMenuBar，就不再需要把返回的元素强制转换JMenu了。
EW: Which isn't to say the rest of the cast is safe for the next two episodes either?
娱乐周刊：这是不是说剧里的其他人在后面两集里面也不是安全的？
The results obtained show that the composite guide plate is safe and reliable in use, its service effect is more excellent than that of high Ni Cr steel and high Cr cast iron (steel) guide plate.
结果表明，应用复合铸造工艺生产的导卫板安全可靠，使用效果明显优于常用高镍铬钢导卫板和高铬铸铁(钢)导卫板。
It is safe and reliable to operate. It is extensive to be used for immersion quench and spray quenching of silicium steel, alloy steel and cast iron.
它成本低廉，使用安全可靠，可广泛用于碳素钢、合金钢、铸铁等工件的浸没淬火和喷淋淬火。
The tests and analysis indicate that the safe and reliable operation of cast iron boilers can be assured.
试验和分析表明，铸铁锅炉运行安全可靠。
The tests and analysis indicate that the safe and reliable operation of cast iron boilers can be assured.
试验和分析表明，铸铁锅炉运行安全可靠。
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