keep secret
保密
例句与用法：
Whatever is said here must be kept secret.
这里说的话必须保密。
It is absolutely vital that the matter be keep secret.
这件事要保密，这是至关重要的。
She has blurted out everything they wanted to keep secret.
她把他们要保密的事情全讲出去了。
keep secret
保密
例句与用法：
Whatever is said here must be kept secret.
这里说的话必须保密。
It is absolutely vital that the matter be keep secret.
这件事要保密，这是至关重要的。
She has blurted out everything they wanted to keep secret.
她把他们要保密的事情全讲出去了。