Spanish phrase
Estoy seguro de que ~.
Meaning
I am sure that ___.
When to use it
Expresses strong confidence that something is true. Used to reassure others or confirm plans, with a confident, factual tone.
Example dialogue
Estoy seguro de que vendrá mañana.
I am sure that he will come tomorrow.
Perfecto, así podemos preparar todo.
Perfect, then we can prepare everything.