有些人不注意在商店里数一数找给他们的零钱,不过他是很精明的。他总是把他的钱点得清清楚楚。
Some people are not very careful about counting their change in shops but there are no flies on him. He always makes sure of his money.
他是个老于世故的人,而且很精明。
He was a man of the world, and he knew a thing or two.