shuō​bu​shàng​lái

unable to say

  1. to say
    to say; to speak; to talk; to express in words
  2. bu particle
    [potential]
    Used between a verb and its result to show that the action cannot achieve that result; used as the negative form of the de potential construction
  3. [successful completion]
    Used after a verb to indicate the successful completion of an action, especially in the context of being able to respond or capture something (often used in the potential form with de or bu)