| |||
be at rock bottom; fall into despondence; become despondent (Leonid Dzhepko); get in the funk out (Ivan1992; that's uncommon one, could you at least give an example then, because that's a rare case? Luchemir); get discouraged (Sloneno4eg); be discouraged (Pokki) | |||
feel sick at heart | |||
go into a brown study (Alex_Odeychuk) | |||
be cast down; be dejected; have one's heart in one's boots |