no thought for tea or rice (idiom); melancholic and suffering
to have no appetite
Definitions (粵典–words.hk)
語句
心頭有牽掛、顧慮,連飯都唔想食 to be so concerned, worried or preoccupied by a thought that one does not even want to eat or drink (tea)
佢因為單官司,搞到茶飯不思。
佢因为单官司,搞到茶饭不思。
keoi5 jan1 wai6 daan1 gun1 si1, gaau2 dou3 caa4 faan6 bat1 si1. He lost his appetite for food and drank due to the court case.