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赴：走往；汤：热水；蹈：踩。沸水敢蹚，烈火敢踏。比喻不避艰险，奋勇向前。
[go through fire and water;be ready to risk one's own life;jump into the water and walk through fire] 形容不畏艰难险阻,奋不顾身 楚 越之俗好勇,则有赴汤蹈火之歌。—— 北齐· 刘昼《新论》
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