launch（out）into
1．make a start on开始；发动
After leaving college，David launched out into a business career．大学毕业后，戴维就经商了。
They are launching out into a series of scientific experiments．他们正在着手进行一系列的科学试验。
Mr．Burk used the money to launch into a new business．伯克先生利用这笔钱开始搞一项新的企业。
2．speak out critically大发议论；批评；谴责
He at once launched out into oaths and curses．他突然大肆咒骂起来。
At first he spoke slowly and gently，but then launched out into fierce words of criticism．一上来他讲话语气平缓，可后来就言词激烈地批评起来。
The opposition launched into a violent attack on the government．反对党猛烈地攻击政府。
He launched out into a colourful description of his journey．他开始绘声绘色地叙述他的旅行见闻。