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

a suggestion or thought about something that we could do

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

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

without any preparation or prior thought

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

to be well-informed about or completely familiar with something

(of a person) feeling confident about something being correct or true

(of a person) having no doubt about something

by relying only on one's memory

to have very good knowledge or understanding about someone or something

to a degree that is very little and close to nothing

difficult to see, hear, smell, etc.

feeling completely sure about something and showing that you believe it