(1)甲高い音を出す
(2)多すぎる情報を交換し合うことなく、社会的に話す
(3)鳥のような、甲高い音を出す
(4)変調で歌う
(5)talk socially without exchanging too much information; "the men were sitting in the cafe and shooting the breeze"
さらに詳しく
