escort 护卫、卫队

escort 1

• verb [T]

to go somewhere with someone, for example to protect or guard them:
?Armed guards escorted the prisoners into the courthouse.
?David offered to escort us to the theatre.

escort 2

• noun

1 [C,U] a person or people who go somewhere with someone in order to protect or guard them:
?a police escort
?under escort (= with an escort) The prisoners will be transported under military escort.
2 [C] someone who goes with another person to a social event, usually a man who goes with a woman