That moment your teacher corrected you in front of the class — "not I'm hearing you , it's I can hear you " — and everyone turned to look. You knew what you meant. The sound was reaching your ears. So why was it wrong? After twen…
You said "do a mistake" in a work email. Your colleague said nothing. But you saw it — that half-second pause before they replied. That pause is exactly why this topic matters, and exactly why no amount of vocabulary memorisation fully fixe…