grasp the nettle idiom UK
C2 迫使自己迎难而上;果断处理棘手的问题;破釜沉舟
to force yourself to be brave and do something that is difficult or unpleasant
You've been putting off making that phone call for days - I think it's about time you grasped the nettle! 那个电话你拖了好几天都没有打—— 我觉得你应该果敢地去面对这个问题。