tā / bù xiāng xìn / zì jǐ / tiān shēng / kǔ mìng / kào / nǔ lì / yí bù bù / gǎi biàn / le / shēng huó他不相信自己天生苦命,靠努力一步步改变了生活。He does not believe he was born with a bitter fate and has gradually changed his life through hard work.