The expression for the sequence of operations described is:

$(m + 3) + 4$

This expression represents adding the sum of $m$ and 3 to 4 without simplifying any part of the expression.

Would you like further details or have any questions?

Here are some related questions for further practice:

1. Write an expression for subtracting 5 from the product of $n$ and 7.
2. How would you write an expression that represents the sum of $x$ and the square of $y$?
3. Create an expression that adds 2 to the product of $a$ and $b$.
4. Write an expression that subtracts the sum of 8 and $c$ from 10.
5. How do you express doubling the sum of $p$ and 6?

Tip: Always follow the order of operations when constructing expressions to ensure accuracy.