v.disturb the composure of

同義詞：fazeunnerveenervate

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Death of a terrorist leader - US airstrikes unsettle Somalia's al-Shabaab : East Africa - issue in focus
Opinion: Is there anything than can unsettle today's GP?
Republican Congress could unsettle U.S. biotech
Baseball fever in District feels chill; Clashes, financing unsettle city's bid.(SPORTS)
U.S. Airstrikes on Syria Unsettle Europe's Attitudes toward Trump
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How Things can Unsettle