徒劳无功的英语句子 - 标准学习网

Are a waste of effort

是徒劳无功的。

句子分析：Concluding evaluative phrase.

英文句子人生哲理徒劳无功

A thick iron rod exerted all its might yet failed to pry it open.

一根粗铁棒竭尽全力，却未能撬开它。

句子分析：Compound sentence showing contrast using 'yet' to express opposition.

英文句子人生哲理徒劳无功