2 sentences

1. 他系上了腰带。

   tā jì​shang le yāo​dài.

   He fastened his belt.

   Source: Dong Chinese Dictionary

2. 她系上围裙，开始在厨房里忙碌。

   tā jì​shang wéi​qún, kāi​shǐ zài chú​fáng lǐ máng​lù.

   She put on an apron and started working in the kitchen.

   Source: Dong Chinese Dictionary