9. The method of claim 8 , further comprising: determining a first plurality of features from the machine translation of the primary language content; and determining a second plurality of features from the secondary language content; and wherein determining the initial language model comprises determining the initial language model from the first plurality of features and the second plurality of features.
12. The method of claim 9 , wherein the language model perturbation is further determined using at least one feature selected from the second plurality of features.