"Din into" can be replaced with a variety of synonyms depending on the context and desired tone. Some options for synonyms include emphasize, impress upon, drive home, hammer in, reinforce, stress, underline, and highlight. These words all convey a sense of importance and urgency in conveying a message or point. However, each synonym has its own subtle nuances and connotations, so it is important to choose the best fit for the specific situation. For example, "hammer in" implies a forceful and relentless repetition, while "emphasize" suggests a deliberate and clear articulation of a point. Overall, there are many ways to convey the idea of "din into" through carefully selected synonyms.