english sentences/phrases that bugs you gramatically

[oysterlover19]

hello guys. this is my first post here in this forum. just happens that I need help in some simple phrases like:

what is the difference between " on the coast" and " off the coast"?

that's it for now guys. for other lurkers, feel free to post any words/phrases/sentences that also bugs you. =)

for the one who can answer it, thanks in advance. =)