些微

slightly; a little; somewhat; marginally; faintly; minimally

有点

some; rather; somewhat; a bit; a little

改进

improve; ameliorate; enhance; refine; better; upgrade; reform; perfect; advance; optimize; make improvements to; make better; progress; bolster; improvement; amelioration; enhancement; betterment; modification; reformation; pickup; refinement; upswing; improved; enhanced; on the mend