Tra từ contradict - Từ điển Oxford Advanced Learner 8th

con·tra·dict AW [contradict contradicts contradicted contradicting] BrE [ˌkɒntrəˈdɪkt] NAmE [ˌkɑːntrəˈdɪkt] verb
1. to say that sth that sb else has said is wrong, and that the opposite is true
•~ sth All evening her husband contradicted everything she said.
•~ sb/yourself You've just contradicted yourself (= said the opposite of what you said before).
•~ (sb) + speech ‘No, it's not,’ she contradicted (him).
2. ~ sth | ~ each other (of statements or pieces of evidence)to be so different from each other that one of them must be wrong
•The two stories contradict each other.
•This version of events was contradicted by eye-witness reports.
Verb forms:

Word Origin:
late 16th cent.: from Latin contradict- ‘spoken against’, from the verb contradicere, originally contra dicere ‘speak against’.

Language Bank:
evidence
Giving proof
There is clear evidence that ▪ TV advertising influences what children buy.
It is clear ▪ from numerous studies that ▪ TV advertising influences what children buy.
▪ Recent research demonstrates ▪ that TV advertising influences children's spending habits.
▪ Many parents think that TV advertising influences their children. This view is supported by ▪ the findings of a recent study, which show ▪ a clear link between television advertisements and children's spending habits.
▪ The findings also reveal ▪ that most children are unaware of the persuasive purpose of advertising.
There is little evidence that ▪ children understand the persuasive intent of advertising.
▪ The results contradict ▪ claims that advertising is unrelated to children's spending habits.
▪ Manufacturers argue that it is difficult to prove ▪ that advertising alone influences what children buy.
Language Banks at ↑argue, ↑e.g., ↑illustrate

Example Bank:
•This version of events was contradicted by eyewitness reports.
•You've just contradicted yourself.