ťažký znamená v Angličtina

difficult▼(hard, not easy)
adjective
[UK: ˈdɪ.fɪkəlt] [US: ˈdɪ.fəkəlt]

heavy [heavier, heaviest]▼(having great weight)
adjective
[UK: ˈhe.vi] [US: ˈhe.vi]

tough [tougher, toughest]▼adjective