得意淡然

とくいたんぜん

taru-adjective, to-adverb

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not letting oneself puffed up by one's success, maintaining a serene state of mind when one has achieved a great success(archaism, yojijukugo)

得	gain, get, find, earn, acquire, can, may, able to, profit, advantage, benefit
意	idea, mind, heart, taste, thought, desire, care, liking
淡	thin, faint, pale, fleeting
然	sort of thing, so, if so, in that case, well