There is lots of imagery in this extract which tells us about Scrooge. For example, ‘hard and sharp as a flint’ suggests that his personality is grey and dull. Also it could suggest that his heart is rock hard and almost impossible to melt. Another example is ‘solitary as an oyster’. This implies that he is contained in his own shell, which is very hard to break into and that he never spends time with anyone.
Near the beginning of this extract, there is a long list of adjectives which