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Rigorous
(adj)UK
ˈrɪɡərəs
US
ˈrɪɡərəs
Definition: Extremely thorough and careful.
Meaning: Nghiêm khắc, khắc nghiệt
Not Common
How to use "Rigorous" vocabulary in sentence (example)
Don't worry though, Japanese law regulates the preparation of the fish in all restaurants with chefs going through 3 or more years of rigorous training.
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