She checked what he had produced against the diagram in her book, smiled and said, “Fair dinkum, you really do teach maths,” which took Daniel a little by surprise as he wasn’t sure what “fair dinkum” meant, but as it was accompanied by a smile he assumed it was some form of approval.
He appreciated the honesty, he appreciated the fact that I rang him and was prepared to be fair dinkum with him, and he heard what I said.
Say, cross my heart straight dinkum..