to go from being poor to becoming rich and successful
从贫穷到富有和成功 (cong pinqiong dao fuyou he chenggong)
"His life story is a real rags to riches tale."
"他的生活故事是真正的从贫穷到富有的故事。" (ta de shenghuo gushi shi zhenzheng de cong pinqiong dao fuyou de gushi)
a short period when a chance is available
a polite way to say thank you warmly
to encourage someone to stay hopeful and not give up
there is no limit to what you can achieve
to act in an honest and open manner
to keep one's plans or ideas secret