Consisting of two layers.

双层的。

Being in pairs.

成双的。

Being twice as much.

二倍的。

Made for or serving two people, animals, etc.

双(人)分的。

Having two different qualities, uses, or ways in which to be considered.

双重的；两用的。

Deceitful; insincere.

欺骗的；不诚的。

Folded over or up.

摺叠为二的。

Having many petals.

【植】重瓣的。

(Musical instrument) producing a tone an octave lower than that indicated by the notes.

【乐】低八度音的。

Twice the value or quantity.

二倍。

A duplicate.

副本。

A person who looks very much like another.

极为相似的人。

A sharp or backward turn.

急转弯；突然回转。

A trick or stratagem.

计谋；策略。

Fold.

摺叠。

Substitute who performs hazardous feats in place of a star.

【影视】替身。

Two-base hit.

【体】(棒球)二垒打。

Doubling of an opponent's bid.

(桥牌)叫加倍。

Match, as in tennis, with two players on each side.

(但复数同形)双打。

To make twice as large.

倍增。

To fold or bend one part upon another.

摺叠。

To be twice as much as.

两倍于。

(Of an actor or an actress) to act two parts in one play.

一人在同一剧中分饰两角。

To clench (the fist).

紧握(拳头)。

To sail around, as a cape.

【航】绕航(海角等)。

To increase the value of tricks to be won or lost in (an opponent's bid).

(桥牌)增加(对方合约)所赢或耸负的分数。

To become double.

成两倍。

To turn and go back on a course.

折回。

To act or perform in tow capacities.

扮演两种角色。

To serve as a double.

担任替身。

To double an opponent's bid.

(桥牌)加倍。

To make a two-base hit.

【体】(棒球)打二垒安打。

In pairs; twofold; doubly.

成对地；加倍的；双重地。