n. 无决断, 优柔寡断

[法] 优柔寡断, 摇摆不定, 犹豫不决

Irresolution \Ir*res`o*lu"tion\, n. [Cf. F. irr['e]solution.]
Lack of resolution; lack of decision in purpose; a
fluctuation of mind, as in doubt, or between hope and fear;
irresoluteness; indecision; vacillation.

Irresolution on the schemes of life which offer
themselves to our choice, and inconstancy in pursuing
them, are the greatest causes of all unhappiness.
--Addison.