2 sentences for 门槛 (mén​kǎn — threshold)

1. 他打开门站在门槛上。

   tā dǎ kāi mén zhàn zài mén​kǎn shang.

   He opened the door and stood on the threshold.

   Source: CCMatrix

2. 她小心翼翼地跨过门槛。

   tā xiǎo​xīn​yì​yì de kuà guò mén​kǎn.

   She stepped over the threshold very carefully.

   Source: CCMatrix