Too is used before adjectives and adverbs. Too is negative; we use it too mean there is more or less than we need/want. Too can be used with infinitive + to after the adjective/adverb.Use for + someone/something to explain who/what we mean. "It's too noisy in here. Let's go outside." (too + adjective) "My soup is too hot to drink." (too + adjective + to + infinitive) "This is too difficult for me to understand." (too + adjective + for someone/something)