I broke the leg of my friend, he had an important exam. Scared? 'Break the leg' means wishing someone good luck. English language is full of Idioms and Phrases. Idioms are words or phrases that literally mean something else and metaphorically mean something else. They usually have a cultural meaning behind them. The more English idioms and phrases you know, the more confident you sound especially when you speak with native English speakers.
Idiom - In black and white. Meaning - In writing or printing. Example: I asked him to put the terms and conditions in black and white.
(Session 2025 - 26)