expectations game Hello, could you give me an example about an 'expectations game'? Thank you for your help in advance!

Cash in on Dear friends, does 'She first cashes in on you' mean 'She first takes advantage of you'? Thanks a lot!

An entrance from the road Dear friends, does 'an entrance from the road' mean that the entrance is away from the road? Thank you for giving of your time in advance!

Notice of termination Dear friends, does 'advance notice of termination' equal to 'notice of termination', by any chance? Thanks a lot!

Can £ be pronounced as 'dollar'? Dear friends, could you tell me whether '£30' can be pronounced as 'thirty dollars'? Thanks in advance!

'Wreak havoc ( ) pedestrians' Dear friends, could you please tell me what preposition is appropriate to fill in the blank in the following sample? Is it 'on' or something else? 'Wreak havoc ( ) pedestrians' Thanks in advance!

What does 'make hash' mean? Dear friends, could you please tell me what does 'make hash' in the context of 'make hash of predestination' mean? Thanks in advance!

Purl harder Could you please tell me what 'purl harder' means? In parenthesis, I found this word in an American war poster that encourages people to remember Pearl Harbor. Thank you!

What should I call her? Dear friends, if my male cousin has a wife, then what should I call her? Can I call her 'my cousin-in-law'? Thanks for your help!