take on/assume/wear the mantle of somethingformalRESPONSIBLE to accept or have an important duty or job 承担/负有…的责任[义务] It is up to Europe to take on the mantle of leadership in environmental issues. 在环境问题上欧洲应该担当起领导责任。
take on/assume/wear the mantle of something• Against all expectations, it has not taken on the mantle of best pupil in the euro class.
→ take on/assume/wear the mantle of something at mantle1(1)