recharge one's batteries 给自己的电池充电;充电(意指个人工作过多,身心疲劳,需休假、旅行,以恢复精神体力,一般称为「充电」):Having worked hard for a whole month,he went to a seaside resort to recharge his batteries. 他辛辛苦苦工作了一个月,便到一海滨胜地充电去了.