1.a bout of depression/flu/sickness etcPERIOD OF TIMEa short period of time during which you suffer from an illness 抑郁/流感/恶心等的发作(时期)
Examples from the Corpus
a bout of depression/flu/sickness etc• Pablo Fernandez was suddenly stricken by a bout of flu.• Occasionally we all suffer from influenza or a bout of sickness, which naturally results in a drop in weight.
2PERIOD OF TIMEa short period of time during which you do something a lot, especially something that is bad for you 一阵,一回,一场,一番〔尤指做对自己有害的事情〕