Usage and Nuance
"そんなに" is an adverb used to indicate degree or extent, often translated as "so much" or "that much." It is commonly used to express a moderate or comparative amount, often in negative or conditional sentences. For example, it can soften statements like "not that difficult" or "don't hurry that much."
Common Collocations
- そんなに + adjective/verb + ない: to express "not that..." or "not so..."
- そんなに + verb + てもいい: to indicate "it's okay to do that much"
- そんなに + noun + なら: conditional "if (you) like that much"
Register and Politeness
"そんなに" is neutral and can be used in both casual and polite contexts. It is very common in everyday conversation.
Common Mistakes
Learners sometimes confuse "そんなに" with "とても" (very). While "とても" is used to emphasize a high degree positively, "そんなに" often appears in negative or comparative contexts. For example, "そんなに難しくない" means "not that difficult," whereas "とても難しい" means "very difficult."