The 24th letter of the English alphabet.

英文字母的第二十四个字母。

The 24th in order or in a series.

第二十四个。

Roman numeral 10.

罗马数字十。

Christ.

基督。

Designation of a film recommended for adults only.

【美】成人电影。

Something shaped like an X.

X 形物。

A person or thing unknown or unrevealed.

未知之人或物。

(Of a motion picture) of such a nature that admission is denied to persons under a specified age (as 17).

X 级的(未满十七岁者不准观看的电影)；限制级的。

Unknown quantity.

未知数。

Times, as 6x5.

乘号(如 6 x 5)。

To cancel of obliterate with or as if with a series of x's.

删除；去掉(out)。