1. He takes after his father.

2. He resembles his father.
3. He is similar to his father.
4. He looks like his father.
(Are they all the same in meaning? Do you have other similar expressions)

5. Let's discuss the matter.
6. Let's talk over the matter.
7. Let's talk about the matter.
(Are they the same in meaning? What is the synonym of 'discuss, 'talk about' or 'talk over'?)

1 answer

sentences 1 - 4 are all similar in meaning, yes. Those are the phrasings most commonly used.

Sentences 5 and 7 are fine, but 6 is awkward. It'd be better to move 'over' to the end of that sentence.