dinner前通常不加冠詞,若有定語修飾時(shí)可加不定冠詞,特指某次正餐時(shí)還可加定冠詞(當(dāng)然也可省略)。作“宴會(huì)”解時(shí)是可數(shù)名詞,其前可加冠詞。dinner之前有after, at, before, during, for等介詞時(shí),通常不加冠詞。