| secret plan | She is aware of my secret plan. |
| 胸に一物 | [むねにいちもつ, muneniichimotsu] (exp) machination; secret plan; plot; trick up one's sleeve [Add to Longdo] |
| 秘計 | [ひけい, hikei] (n) secret plan [Add to Longdo] |
| 秘策 | [ひさく, hisaku] (n) secret plan or measures [Add to Longdo] |
| 密計 | [みっけい, mikkei] (n) secret plan [Add to Longdo] |