up to snuff的意思

汉语翻译

例句：

1. Anyone being considered for such an important job has to take several tests to prove that he is up to snuff.为这样一份重要的工作物色人选得让他参加几种测试，以证明他是否胜任这项工作。
2. I'm not feeling up to snuff today.我今天觉得不大舒服。