如火如荼
[词典] like a raging fire; in full swing; flaring (up) like fire set to dry tinder; growing vigorously; massed together in splendid formation (原来比喻军容之盛; 现在用来形容旺盛、热烈、或激烈); [电影]All Fired Up
[例句]
By 1946, however, the battle over continental drift was in full swing.
然而,到1946年,对大陆漂移说的战斗进行得如火如荼。