封关 fēngguān to close a pass Definitions Defs Origin Strokes Stroke Words Sentences Sents 2 sentences 我刚刚起草了一封关于冬季护肤的电子邮件。 wǒ gānggāng qǐ cǎo le yī fēng guānyú dōngjì hùfū de diànzǐyóujiàn. I just drafted an email on winter skin care. Source: CCMatrix20年后,你收到一封关于你失踪的妈妈和妹妹的信。 20 nián hòu, nǐ shōu dào yī fēng guānyú nǐ shī zōng de māma hé mèimei de xìn. After 20 years, you receive a letter about your missing mom and sister. Source: CCMatrix