any one of the five parts extending from each hand
sth like finger
measure of alcohol in a glass, roughly equal to the width of one finger
"her fingers were long and thin"
"finger the binding of the book"
"Feel this soft cloth!"
"The customer fingered the sweater"
"I fingered my boss and found that he is not logged on in the afternoons"
I brought my glass over and poured myself out..at least four fingers of Scotch.
出自： J. D. Salinger
医生能治这种病,不过他不能指出确切的病因。 lay〔put〕 one's finger on wh-clause
Something's wrong with this room, but I can't quite put my finger on what it is.
I know the name, but I can't quite put my finger on what's wrong with the engine.
我还没弄清楚发动机的毛病。 lay〔put〕 one's finger on sth
I haven't been able to lay my finger on the book you requested.