“白费劲”例句

单词 白费劲 例句 DEFINITIVE EXAMPLES 权威例句〔PRAISE〕The book is a vain attempt to glorify the name of one of the worst dictators in modern history. 该书试图美化现代史上一名最残暴的独裁者，结果是白费劲。朗文写作活用〔ace〕I was up all night studying, b...