say that; state thatUsed after a noun or na-adjective plus だ to quote or report a statement. In actual sentences, 言う is often conjugated, as in だと言った (“said that”) or だと言っている (“is saying that”). It may also be written or pronounced as だという in some contexts.
JA: 彼は父親が病気だと言ったが、それはうそだった。
EN: He said that his father was ill, but it was a lie.