tā / gāng / qǔdé / yìdiǎn / chéngjì / jiù / kāishǐ / bùkěyíshì / de / cháoxiào / céngjīng / bāngzhù / guò / zìjǐ / de / rén

他刚取得一点成绩，就开始不可一世地嘲笑曾经帮助过自己的人。

As soon as he achieved a little success, he began arrogantly mocking the people who had once helped him.