gulp something ↔ back phrasal verbphr v SAYto stop yourself from expressing your feelings  抑制,忍住〔自己的感情〕 Sandra tried to gulp back her tears. 桑德拉竭力忍住泪水。
 gulp back• He stretched across the table for his drink and gulped it back.
 →  gulp something ↔ back  at gulp1(2)