Eng: More difficult

困難得多

More difficult, Tougher

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

比較難了

Harder, More difficult, Tougher

Comparatively, Compare, Comparison

更加困難

Even more, More difficult, lot more

Challenges, Difficult, Difficulty, Hardships, Problems

較難

Harder, More difficult