This pair of shoes is rather expensiveThis pair of shoes is a litle expensiveit costs a lot to buy this pair of shoesspending too much buy this pair of shoes
dear,expensive,high price ,high valued e.g.this paire of shoes is a little bit dear/expensive/high valued. 或 the price of this paire of shoes is a little bite hight.
This pair of shoes is a little bit expensive. This pair of shoes is not cheap. The price of this pair of shoes is a little bit expensive . The price of this pair of shoes is not cheap.