mindmap root((困扰枯萎毁灭爬行翻滚)) wallow basically implies a lurching or rolling to and fro, as of a hog in the mire or a ship in a troubled sea, and may imply complete self-abandonment: ~ing in self-pity; or absorption: ~ed in the romantic music. welter is likely to carry a stonger implication of being helplessly at the mercy of outside forces: a tide of refugees, many of whom ~ed, adrift on the sea, for days. grovel implies a crawling or wriggling close to the ground in abject fear, self-abasement, or utter degradation: ~led for forgiveness.