feeble

/ˈfibəl/

pathetically lacking in force or effectiveness

中文释义：虚弱的；无力的

The old man gave a feeble attempt to lift the heavy box.

老人无力地尝试抬起沉重的箱子。

His feeble excuse for being late did not convince the teacher.

他迟到的无力借口没有说服老师。