re·as·sure /ˌriəˈʃʊr/
 (vt.)使…安心,再保證
 Re·as·sure v. t.
 1. To assure anew; to restore confidence to; to free from fear or terror.
 They rose with fear, . . .
 Till dauntless Pallas reassured the rest.   --Dryden.
 2. To reinsure.
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 reassure
      v 1: cause to feel sure; give reassurance to; "The airline tried
           to reassure the customers that the planes were safe"
           [syn: assure] [ant: worry]
      2: give or restore confidence in; cause to feel sure or
         certain; "I reassured him that we were safe"