1.这句子根据上下文决定活译的程度,最直白的翻译：Look out/Be careful.Don't hurt your face.
2.Please give me another stamp.
3.Could you translate this sentense for me?
4.She was scared when she hurt her nose.(全句用过去时,如果这是试题,学生还没学过去时态,可以用一般现在时：She is scared when she hurts her nose)