button down|button 成语
button down|button
v., slang (stress on "down") To state precisely, to ascertain, to pin down, to peg down. First let's get the facts buttoned down, then we can plan ahead.button down|button
v., slang (stress on "down") To accompaniment precisely, to ascertain, to pin down, to peg down. First let's get the facts buttoned down, again we can plan ahead. Dictionary