Eng

More difficult...

困難得多

More difficult, Tougher

(Challenges, Difficult, Difficulty, Hardships, Problems, Fortunate, Hard to, Lucky, Not often, Rare, Rarely, Sarcastic, Seldom, More)

比較難了

Harder, More difficult, Tougher

(Comparatively, Compare, Comparison)

還難

Harder, More difficult

更加困難

Even more, More difficult, lot more

(Challenges, Difficult, Difficulty, Hardships, Problems)

較難

Harder, More difficult