It took a considerable amount of polish and elbow grease before the brass shone like new.经过大量的抛光和擦拭，黄铜光亮如新。The polish needs a certain amount of elbow grease to apply.要把这个擦亮得费不少劲。It takes guts and elbow grease to finally make the grade.最后考得及格需要勇气和拼命苦干。It's going to take some elbow grease to get this counter clean.得费不少劲才能把这个台面弄干净。