C2 to get control of your feelings and thoughts, especially after shock, surprise, or laughter

中文解释

（尤指在震惊、惊讶或大笑后）镇定下来，定神，集中思想 I was so stunned by what he\'d said I had to collect myself before I could reply. 他的话惊得我目瞪口呆，我定了定神才答上话。