逍遙自在
free and easy 英[fri: ?nd ?i:zi] 美[fri ?nd ?izi]
[詞典] 灑脫; 不拘禮節的， 自由自在的; 俶儻; 清閑自在;
[例句]We feel quite free and easy with him, not in the least constrained.
跟他在壹起很隨便，壹點兒也不拘束。