adj. 积极的, 确实的，肯定的, [数]正的, [医]阳性的
n. 正面, 正片, [语]原级形容词, [数]正量
SentencesRemember, keep a positive attitude and good things will happen.
记住：保持乐观的心态，好事自然会发生。You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.
你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。I'm as positive as I can be about it.