既然: since; as; now that 短语和例子既然如此 since it is so; such being the case; under these circumstances; 既然你已经来了,最好还是住下。 now that you are here, you'd better stay. 既然这个方法不行, 我们试试另一个。 since this method
既然来: since i’m here, i’d like to try a typical dish of this country