May I ask if you could help correct any grammar errors and leave a comment for quality of sentences? Blur: He gradually feels himself being weaker and weaker, so is his eyesight, and the image of things before him starts to blur. Elicit: Teachers should try to employ a variety of teaching strategies in order to elicit maximum responses from their students. Disheveled: After spending three days working in his laboratory, Jim comes out with a very disheveled and tired appearance. Laugh off: Each time someone asks Mike the monk how he manages to bear a life without any tastes, he just laugh off those questions naturally and strolls away. Propel: It's said that the rocket there needs not to be propelled by any source of fuels. It can goes up on its own with a greenish-shimmering flame. How strange it is!