Русско-англо-русский юридический словарь

One last tip - it's better to ask for help or clarification when you're having a telephone conversation, than to pretend you understand something that you didn't. (BBC Learning English)

The study showed that asking a simple question - such as, "where did you leave the blue file?"- during phone conversations could mean a driver concentrates on an area four times smaller than normal, because their brain is imagining the room where they left the file, instead of checking for hazards in front of them. (BBC News)