2 sentences

1. 他愣了半晌才反应过来。

   tā lèng le bàn​shǎng cái fǎn​yìng guò​lái.

   He stared blankly for quite a while before he reacted.

   Source: Dong Chinese Dictionary

2. 他沉默了半晌，最后才点了点头。

   tā chén​mò le bàn​shǎng, zuì​hòu cái diǎn le diǎn​tóu.

   He was silent for a good while before finally nodding.

   Source: Dong Chinese Dictionary