May: a secret weapon.

阿美：一个秘密武器哦。

youdao

The reason is that we all have a secret weapon against bad moods: a psychological immune system.

那是因为我们都有一个对付坏心情的秘密武器：心理免疫系统。

youdao

She may be following a healthy eating plan, but she appears to have a secret weapon - she smokes constantly.

可能她有一个健康的饮食计划，但她似乎还有一个秘密武器——抽烟不断。

youdao

But the invasion never came. For years,American scientists had been developing a secret weapon,the atomic bomb.

VOA: special.2011.06.23

DeRose also has a secret weapon: a voice that seems to expose his very soul.

NPR: Peasant: 'Fine is Fine'

And in the ancient technology of the qvevri, they feel they have a secret weapon.

BBC: Discovering wine in Georgia

While it is one of Coke's largest single customers, the convenience chain has a secret weapon.

FORBES: Gone Flat