温吞 Traditional form: 溫吞 Pinyin (reading): wēntūn Definitions: tepid; lukewarm (fig.) apathetic; half-hearted; sluggish mild-tempered Characters: 温 - warm, lukewarm 吞 - to absorb, to annex; to engulf; to swallow Traditional characters: 溫 - warm, lukewarm 吞 - to absorb, to annex; to engulf; to swallow