Sine qua non
n. 必要条件, 要素
📖 牛津释义
sine qua non
(fml 文) essential condition; thing that is absolutely necessary 必要条件; 必不可少的事物
Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心.
🧩 词语组成解析
sine
[sain, 'saini, 'sinei]
prep. 无;
n. 正弦;
prep. 作为
non
[[nɔn]]
adv. 非, 不
🗣️ 情景例句
Mary and Arnold are going steady.
玛丽和阿诺德正式成为情侣。
Penny wise and pound foolish.
小事聪明，大事糊涂。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。