很高兴为您 complain about doing sth抱怨做某事 complain sb about doing sth抱怨某人做某事 complain to sb about sth向某人抱怨某事 我抱怨他偷吃了我的点心 I complain him about stealing my desserts. 我向爸爸抱怨弟弟总是迟到 I complain to my father about my brother's always being late ------------------------------- ★倾心解答★愿您满意★ ★欢迎追问★敬请采纳★ -------------------------------