Clause A + 而 + Clause B
而 (ér) is a conjunction that can mean "and," "but," or "whereas," connecting clauses to show contrast, addition, or transition. It is more common in written and formal Chinese. For example, 简单而有效 means "simple yet effective."
她聪明而勤奋,成绩一直很好。
Tā cōngmíng ér qínfèn, chéngjì yìzhí hěn hǎo.
She is smart and hardworking, and her grades have always been good.
这道菜看起来简单,而做起来很难。
Zhè dào cài kàn qǐlái jiǎndān, ér zuò qǐlái hěn nán.
This dish looks simple, but is actually hard to make.
他没有放弃,而是选择继续努力。
Tā méiyǒu fàngqì, ér shì xuǎnzé jìxù nǔlì.
He didn't give up, but instead chose to keep working hard.