他成功的关键在于他擅长逻辑思维。The key to his success is his logical mind.他天生擅长交际：他的祖先曾是封建领主。Diplomacy was in his blood: his ancestors had been feudal lords.他们真正擅长的是纯粹的摇滚乐。What they were really good at was full-on rock'n'roll...
Relative pronouns and adverbs introduce attributive clauses.关系代词和关系副词引导定语从句.Some English adverbs function as adjectives.有些英语形容词起副词作用.Many adverbs terminate in - ly.许多副词以“ly” 结尾....