above board
adjective, adverb /əˌbʌv ˈbɔːd/
/əˌbʌv ˈbɔːrd/
- legal and honest; in a legal and honest way
合法而坦诚（的）；开诚布公（的）；公开（的） - Don't worry; the deal was completely above board.
别担心，交易是完全合法的。 - If you do everything above board, you will have to pay tax on your earnings.
如果你光明正大地做每件事，你将不得不为你的收入纳税。
词源If card players keep their hands above the table (the board), other players can see what they are doing. - Don't worry; the deal was completely above board.