difficult – tough
/ˈdɪfɪkəlt/ – /tʌf/ B1 VSTEP
Nghĩa
khó khăn – khó tính
adj
“The exam was difficult, but the teacher said it was tough.”Bài kiểm tra rất khó khăn, nhưng giáo viên nói rằng nó rất khó tính.