Next year's collection is still being kept under wraps.

明年的时装系列仍在保密之中。

The bids were submitted in May and were kept under wraps until October.

标书是5月递交的，直到10月都秘而不宣。

The works will remain under wraps for a week.

一个星期前这两件作品被包裹住了。

The project has been kept under wraps for years.

这个项目保密了许多年。

We kept it under wraps until after the election.

在选举结束之前， 我们一直对此密而不宣。