Bosch can help advanced learners become more confident with fast and natural English. Learners will hear plenty of useful natural English, but some lines may still require a second listen. At an intermediate level, the main story should be easy enough to follow. The pace feels realistic without being constantly overwhelming, with an average speaking rate of around 98 words per minute. The community has given Bosch an English difficulty rating of 6.8/10, so a B2/C1 level is recommended to learn from it effectively and enjoy the content.