hesitate at doing与hesutste to do的区别?

hesitate at doing与hesutste to do的区别? hesitate to do 和hesitate doing hesitate doing和hesitate to do到底哪个对有hesitate doing吗 hesitate to do 和hesitate doing有什么区别? hesitate的两个词组区别hesitate to do sth.hesitate in doing sth.区别? When he saw the customer come in ,he stood up and smile at him______.A.without hesitationB.without hesitateC.no hesitationD.no hesitate “be hesitate to doing”有没有这种用法?如果有,和be hesitate to do有什么区别? 连词成句 at,moment,what,doing,he,is,the --What is he doing for vacation?---He____(relax) at home. He was doing some washing at eight yesterday morning. he does not want doing his homework at the moment. we will not hesitate to do ...at any Look at Tom!What ________?A.does he do B.is he doing C.he is doing He 's good at doing sports,so he looks very h后面应该加什么单词, 4.I was so angry at all that he was doing that l walked out这里的at all that he was doing 是做什么成份的 He is doing his homework at the momen.(对划线部分提问)换线部分是doing his homework he who laughs last laughs best.He who hesitate is lost.what is that mean Often he would sit for hours doing notOften he would for hours doing nothing at all when he was in low spirits,求翻译?