put two and two together 根據事實推理

    Two heads are better than one. 三個臭皮匠，頂個諸葛亮。

    There are no two ways about it. 別無選擇；毫無疑問的

    be of two minds 三心二意

    in two shakes of a lamb’s tail (as quickly as possible) 馬上；很快

    kill two birds with one stone 一石二鳥；一箭雙雕

    Two wrongs don’t make a right. “錯錯不得對” 不能利用別人的錯誤來掩飾自己的錯誤

    Two’s company, three’s a crowd. 兩人成伴，三人不歡。

    give three cheers for (為...)歡呼三聲(Hip, hip, hurrah!); (為...)三呼萬歲

    six of one, half a dozen the other 半斤八兩

    in seventh heaven 暗喻心情極為快樂、滿足

    on cloud nine 高興得飄飄然

    dress to the nines 穿著非常時髦華麗

    a hundred to one shot 百分之一的可能；表示可能性很小

    forty winks 打盹

    at the eleventh hour 最后一刻