英语翻译帮我翻一下下面的句子,1.他今天所表现的与以前形成了鲜明对照.(behave,contrast)2.在学习方面没

1.他今天所表现的与以前形成了鲜明对照.(behave, contrast)What he behaves today contrasts with that before.
2. 在学习方面没人能与他匹敌,由此他得到了同学们的高 度评价. (match)No one can match him in the academic performance, so he get the excellent feedback from his classmates.
3.她一定没有心情做任何事,那些出席会议的人什么时候到依然不为人所知.(mood, remain)She did not have the mood do do anything. When the attendants come still remianed unkown.
4.别让母亲太焦虑,遇到危险时你一定要表现得镇定自若.(spare, mannerDon't spare your mother too nervous/worried. When you are facing great danger, you must stay in a calm manner.