他的努力在团队中未被注意到。

His efforts remained ___unrecognized within the team.

这位作家用了笔名，所以她的真实身份在文学界无人知晓。

The author used a pen name, so her real identity remained ___unrecognized in literary circles.

这个新政党在选举中获得了大量选票，但仍然未被官方承认。

The new political party won many votes, but it remains ___unrecognized by the government.