Eng

Disappointing...

差

Be Short, Differ, Difference, Different, Differential, Disappointing, Discrepancy, Dispatch, Duty, Errand, Error, Fall short, Irregular, Job, Lack, Make a mistake, Messenger, Mismatched, Mistake, Not up, Office, Under, Uneven, Wrong

令人失望

Disappointing

(Cause people, Make people, Disappointed, Discouraged, Dismayed, Dispirited, Downhearted)

不爭氣

Disappointing, Discouraged, Easily

(Strive to)

不爭氣的

Disappointing

(Discouraged, Easily, Strive to)