丧家之犬: (be thrown out like) disowned dogs [curs]; (like) a homeless cur; as a dog without its master; crestfallen; homeless [stray] dog; miserable and distressed; outcast 短语和例子惶惶如丧家之犬 as panic-st
如丧家之犬: like a dog with the tail between the legs; like a dog without its master
惶惶: in a state of anxiety; on tenterhooks; alarmed 短语和例子人心惶惶。 people are disquieted (on tenterhooks)