to swear that something is true, often said with sincerity
真诚地发誓某事是真的 (zhengcheng de fashì mou shi shi de)
"I cross my heart and hope to die that I will never lie to you."
"我发誓并希望死去，我绝不会对你撒谎。" (wo fashì bing xiwang siqu, wo jue bu hui dui ni sahamg)
to make unrealistic plans or dreams
to be in the same difficult situation
to end a situation where no progress is being made
to test a product before official release
someone who learns new things very fast
to not pay attention to what is said
