这个食谱应该足够五个人食用。

This recipe should be ___sufficient for five people.

人们认为他犯了罪，但没有足够的证据来定罪他。

It was thought that he'd committed the crime but there wasn't ___sufficient evidence to convict him.

为了解决这个问题，尝试获得充足的睡眠，以便你的身体和 mind 保持健康。

To resolve that, try to have a ___sufficient amount of sleep so that both your body and mind will keep fit.