discouraging

US /dɪˈskɝː.ɪ.dʒɪŋ/
UK /dɪˈskɝː.ɪ.dʒɪŋ/
1.

落胆させる

making you feel less confident, enthusiastic, and positive about something, or less willing to do something:

:
•
Despite the discouraging results, astronomers were not worried.
:
discourage