单语范例（未经PONS编辑处理）
At first the boy does nt know how to use the power to ask for useful things and his wishes are thoughtless.
en.wikipedia.org She rejected their life of thoughtless comfort for the world of social service.
en.wikipedia.org If we can achieve this only through the use of force by authorities, then it would be thoughtless to keep refraining from using such force.
en.wikipedia.org Unfortunately, there is some graffitinames and sloganscarved into the soft rock by thoughtless visitors.
en.wikipedia.org Land pollution is principally caused by thoughtless or illegal disposal of waste waters or solids containing pollutants.
en.wikipedia.org