英语翻译

问题描述:

英语翻译
像鸟一样*,翻译成:Free as a bird还是Free like a bird?还有相同的,幸福像鸟儿一样(像鸟一样幸福)翻译成Happy as a bird还是Happy like a bird?或者可以通用?请具体解释下,

像鸟一样*,翻译成Free as a bird;幸福像鸟儿一样(像鸟一样幸福)翻译成Happy like a bird.