您要查找的是不是：
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- He's mending nicely after his operation. 手术后他正在顺利康复。
- 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。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- The bank plan a rescue operation for the company. 银行计划对这个公司采取挽救措施。
- The operation was a marvel of medical skill. 这个手术是医术的一个非凡范例。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- An operation is needed to remove your tonsil. 需要进行手术摘除你的扁桃体。
- The operation went like clockwork. 手术进行得极为顺利。
- When does the new law come into operation? 这项新法律何时生效？
- She was keyed up over her impending operation. 她为了即将进行的手术而心中忐忑不安。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- The actual operation lasted eight hours. 实际手术进行了8个钟头。
- The surgeon is performing a delicate operation. 那位外科医生正在做一个很精细的手术。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- After Alu Caves, we had completed the trip today. 走完了阿庐古洞，也完成了今天的行程。
- He heads up the operation in northern Europe. 在北欧他领导企业的业务活动。
- I'll have an abdominal operation tomorrow. 我明天要做个腹部手术。
- She's having an operation on her leg. 她的腿正在动手术。
