she is singing to the old people .她給老人們唱歌.sing to 由 ...伴奏著唱,和著 ...唱例句：1.He sang to a piano accompaniment.他演唱由鋼琴伴奏.2.The little girl likes to sing to many people.這個小姑娘喜...he often sings me songs by internet.又怎么解釋，sing 也是及物動詞，可以這么用吧？這個翻譯為他經(jīng)常上網(wǎng)時唱歌給我聽。？he often sings me songs by internet.他常常唱我的歌曲通過互聯(lián)網(wǎng)。