解决 solve

半 

半 + measure word + noun

差 short of

行 xing

行 hang

时间 n. time

解决 solve; resolve settle 

醒 awake; wake up

半 half

差 short of

解决 Solve; resolve; settle

(xing) awake; wake up

半 You'll need to use a measure word (Measure Word) in this structure.
Structure 半 + Measure Word + Noun