Faced with his opponents' threats, he did not give an inch.
Tips
mistakes
吓 is read hè here, not xià. The formal hè belongs to compounds about deliberate intimidation: 恐吓, 威吓, 恫吓. The everyday "to scare" is xià, as in 吓人 "scary".
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Formal and written, typical of news and diplomacy: 武力恫吓 "military intimidation", 核恫吓 "nuclear threats".