फीछे छोड़ना  =  event
E left me behind.

पीछे छोड़ना  =  leave
Leave one's childhood behind.

बहुत उन्नति करना  =  make progress
Britain is fast being left behind in the race for new markets.

पीछे छोड़ना  =  progress
She has left the rest of her class far behind.