Question 1

What does "needless to say" mean?

Accepted Answer

"Needless to say" means "it is so obvious that I do not really need to mention it, but I will anyway." It introduces information that the listener can probably already guess: "We forgot the map. Needless to say, we got lost." The phrase suggests that the result was predictable or inevitable. It is common in both written and spoken English and adds a slightly formal or humorous tone. A similar expression is "it goes without saying," which means the same thing but is used slightly differently — it usually comes before the obvious fact: "It goes without saying that safety is our priority." Both expressions are useful in essays and formal writing at B2 level and above.

Question 2

What does "tell apart" mean and how is it used?

Accepted Answer

"Tell apart" means to recognise the differences between two or more things or people that look very similar: "The twins look so alike that I can't tell them apart." The phrase always implies difficulty — you would not use it for things that are obviously different. It works with "can" and "could" for ability: "Can you tell these two wines apart?" The negative form is more common than the positive because the phrase is typically used when distinguishing is hard: "I couldn't tell the real painting apart from the copy." Related expressions include "tell the difference between" (slightly more formal) and "tell right from wrong" (knowing what is morally correct). These idioms appear regularly in B2 and C1 reading texts.

Question 3

How do I use "or so they say" in a sentence?

Accepted Answer

"Or so they say" is added to the end of a statement to distance yourself from the information — you are reporting what others claim without confirming it is true: "He's the best doctor in the city, or so they say" means other people believe this, but you are not certain. The expression is useful in academic and professional writing when presenting opinions or unverified claims: "The economy is improving, or so they say." A similar structure is "so I'm told," which means you have received information from others: "The hotel is wonderful, so I'm told." Both expressions show that you are not the original source of the information, making your writing more precise and cautious.

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