[mass noun]loyalty or commitment of a subordinate to a superior or of an individual to a group or cause 忠诚,拥护 those wishing to receive citizenship must swear allegiance to the republic. 想要获得公民资格者必须宣誓忠于共和国。 [count noun]a complex pattern of cross-party allegiances. 一种跨党效忠的复杂模式。
语源
late Middle English : from Anglo-Norman French, variant of Old French ligeance, from lige, liege (see liege),perhaps by association with Anglo-Latin alligantia 'alliance'