helpless
1.helpless通常作“不能自助的”或“弱的”解，如a helpless child。有时作“不受他人的帮助的”或“孤立无助的”解。例如：He was left alone and helpless。有时作“无能为力的”、“爱莫能助的”解。例如：He was drowning, and I was helpless.
2.helpless（无能为力的）后面有时接不定式。例如：He was helpless to do anything. （他对于干任何事都无能为力。）
3.不可说It is helpless，该说It cannot be helped或There is no help for it。
