李老师新年快乐用英文怎么说

"Happy New Year" 是表示新年快乐的常用说法。来源于西方传统的新年庆祝活动。例句如下:

"Happy New Year, Mr. Li!" (李老师，新年快乐!)
"Wishing you a happy and prosperous New Year." (祝您新年快乐、幸福、成功!)
"May the New Year bring you joy and happiness." (愿新年给您带来快乐和幸福!)