remain的副词形式用英语怎么说

例句：

As chairman, I must remain impartial.

作为主席，我必须保持中立。

You can remain anonymous if you wish.

如果你愿意你可以保持匿名。

Dealers said investors remain bearish.

证券经纪人说投资者们依然看跌。

They remain unshaken in their loyalty.

他们仍然忠贞不渝。

Details of the proposals remain secret.

提议的细节仍不得而知。