1. 第六：sixth sense 第六感 | sixth 第六 | sixthly 在第六

2.

2. 六度：fifth 五度 | sixth 六度 | seventh 七度

3. (與the連用)第六的,第六個的：778 sixteen 十六[C] | 779 sixth (與the連用)第六的,第六個的 | 780 sixty 六十[C]

4.

4. 第六(的)：sixteen 十六 (3B5; 7) | sixth 第六(的) (2) | sixty 六十 (7)

1. 第六
    The sixth item in a series is the one that you count as number six.

    e.g. ...the sixth round of the World Cup.
           世界杯第六轮的比赛
    e.g. ...the sixth of December.
           12 月 6 日

2. 六分之一
    A sixth is one of six equal parts of something.

    e.g. The company yesterday shed a sixth of its workforce.
           这家公司昨天裁掉了 1/6 的员工。
    e.g. ...five-sixths of a mile.
           5/6 英里

1. the musical interval between one note and another six notes away from it

2. one part in six equal parts

    Synonym: one-sixth

3. position six in a countable series of things

1. coming next after the fifth and just before the seventh in position

    Synonym: 6th