plumed himself on his accomplishment
... [claim credit for oneself] 自以为有功劳;以有功自居 [plumed himself on his accomplishment] 依凭过去的功绩而自满自足,轻视别人,停步不前 [live with one’s own family] 居住在家里 ...
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plumed himself on his accomplishment
为自己的成就洋洋得意
以上为机器翻译结果，长、整句建议使用 人工翻译 。