carry the torchSee: CARRY A TORCH.
{v. phr.}
1. To show great and unchanging loyalty to a cause or a person.
Although the others gave up fighting for their rights, John continued to carry the torch. 2. {informal} To be in love, usually without success or return.
He is carrying a torch for Anna, even though she is in love with someone else. [TahlilGaran] English Idioms Dictionary ▲