1 sentence for 茫 (máng — vast)

1. 他盯着窗外茫茫的大雪看了很久，一句话也没有说。

   tā dīng zhe chuāng wài máng máng de dà​xuě kàn le hěn jiǔ, yī jù huà yě méi​yǒu shuō.

   He stared at the vast expanse of snow outside the window for a long time without saying a word.

   Source: Dong Chinese Dictionary