surety

n.
1. security,guarantee保证，担保。
double surety: twofold security. i.e. temporal andspiritual authority,spiritual dignity and personalstanding双重保证，（指）世俗的与教会的权威，教会显职与个人高位。
△2H.IV.1.1.190: “He is a man / Who with adouble surety binds his followers.”他这个人能够以双重的保证约束他的那些追随者。
sarcenet surety: slight security薄弱的保证。
△1H.IV.3.1.255(251): “And givest such sarcenet surety forthy oaths”。对你所赌的咒誓只给予这样软弱的保证。
2. certainty. confirmation确实，确定。
△Oth.1.3.396(390):“Will do as if for surety.”也要当做确实来应付。