aidin aid of sb/sth (BrE)1.■in order to help sb/sth 为支援﹙或帮助﹚某人/某事物:The children spent the day collecting money in aid of charity. 孩子们一整天都在为资助慈善事业募捐。what’s (all) 'this, etc. in aid of? (BrE,spoken)2.■what is the purpose or cause of sth? 这个﹙等﹚有什么用；…究竟是为什么:What’s all this crying in aid of? 这么大声地哭究竟是为了什么？