speak to a subject
ある議題を論じる
speak to the contrary
反対意見を言う
speak to the same effect
（前の発言を受けて）同じ意味のことを言う
speak vainly of one's achievements
自分の実績を得々と話す
speak with (an air of) finality
きっぱり言う
speak with a curious mixture of irritation and kindness
いらだちと親切心が奇妙に混じり合った話し方をする
speak with a forked tongue
二枚舌を使う
speak with a lisp
舌足らずの発音をする
speak with complete calm
落ち着き払って話す
speak with constraint
気がねしながら話す
