2 sentences

1. 直到现在他才明白这一问题的全部复杂性。

   zhí​dào​xiàn​zài tā cái míng​bai zhè yī wèn​tí de quán​bù fù​zá​xìng.

   Only now did he understand the full complexity of the problem.

   Source: UM-Corpus: Education

2. 直到现在，由于安全原因我也不能提及酒店的名称。

   zhí​dào​xiàn​zài, yóu​yú ān​quán yuán​yīn wǒ yě bù​néng tí​jí jiǔ​diàn de míng​chēng.

   Even now, for security reasons, I cannot mention the hotel's name.

   Source: CCMatrix