aboveboard 英 [ə,bʌv'bɔːd]
adv. 光明正大地;率直地
adj. 光明正大的;直率的
adv. 光明正大地;率直地
adj. 光明正大的;直率的
aboveboard (adj.)
1610s, from above and board (n.1). "A figurative expression borrowed from gamesters, who, when they put their hands under the table, are changing their cards." [Johnson]