Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary
setback
setback UK US [ˈset.bæk] noun countable [ setbacks ] something that happens which delays or prevents a process from advancing • Sally had been recovering well from her operation, but yesterday she experienced/suffered a setback. • There has been a slight/temporary setback in our plans. See also set something back; set something back Thesaurus+: ↑Difficult things and people↑Preventing and impeding