El libro Total English - Avanzado - Unidad 1 - Lección 2

a suggestion or thought about something that we could do

idea

a piece of evidence that leads someone toward the solution of a crime or problem

pista

from one's memory, without spending time to carefully consider or think

sin pararse mucho a pensar

without any preparation or prior thought

sin pensarlo

to know about somebody or something because one has received information or news about them

saber de

to be well-informed about or completely familiar with something

informado o familiarizado con alguien o algo

feeling confident about something being correct or true

seguro

(of a person) having no doubt about something

seguro

by relying only on one's memory

de memoria

to have very good knowledge or understanding about someone or something

conocer muy bien a alguien o algo

to a degree that is very little and close to nothing

casi nada

difficult to see, hear, smell, etc.

leve

feeling completely sure about something and showing that you believe it

seguro