This is a well-kept secret: unicycling is not difficult.

独轮车有大秘密：那就是它不难骑。

youdao

The composition of the various blends is a well kept secret.

各种不同的混合成分是烘培的秘密所在。

youdao

But at home, they've been a well kept secret.

但是在家，他们有是一很好地保持秘密。

youdao

But at home, they've been a well kept secret.

但是在家，他们有是一很好地保持秘密。

youdao