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. 有些人不注意在商店裡數一數找給他們的零錢,不過他是很精明的。他總是把他的錢點得清清楚楚。
He'll do the job properly; there are no flies on him. 他會把這樁事辦妥的,他是個精明人。