These German words do not exist in Chinese or English.  They're quite fun and useful. :D

Ohrwurm (Ear worm) -（耳朵虫）

Fernweh (Distance pain) -（距离的痛苦）

Kummerspeck (Grief bacon) -（伤心的培根） 

Innerer Schweinehund (Inner pig dog) -（心里的猪狗）

Fremdschämen (Exterior shame) －（外部的羞耻） 

Torschlusspanik (Closing-gate panic) －（闭门恐慌）

Treppenwitz (Staircase joke) －（楼梯玩笑） 

Sitzfleisch (Sit meat) －（坐肉）

Weichei (Soft egg) －（软蛋）

Erklärungsnot (Explanation poverty) －（解释匮乏）

You can see their meaning in 'VTraveller wechat'. My favourite is the 'Ear worm', meaning a song that is stuck in your head. I will use it haha