elbow grease

noun

1. 苦干；（尤指费劲的）擦拭，清洁
   the effort used in physical work, especially in cleaning or polishing sth

1. N-UNCOUNT （干粗活用的）力气，蛮力；(费力的)擦拭
   People use elbow grease to refer to the strength and energy that you use when doing physical work like rubbing or polishing.
   1. 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。

1. 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。
2. To apply some elbow grease, pursue profiling, or examining where your code spends its time.
   要应用一些优化操作，执行结构分析，或检查代码在哪花费了时间。
3. An engine imbibes fuel ( steam, fission, petrol, or elbow grease) and transforms it into work.
   发动机吸收燃料（蒸汽、裂变、汽油或者做大量的功）并将其转换为功。
4. If you use a bit of elbow grease you'll get the floor clean.
   你只要用点劲，就能把地板擦干净。
5. The young man needs to use a little elbow grease; he is too slack altogether.
   这年轻人得使点劲干活才是他也太懒散了。
6. Doing what they were told to, the labourers all found themselves much stronger than before and the work much easier to tackle. The young man needs to use a little elbow grease; he is too slack altogether.
   民工们照着去做，果然浑身是力，干活很轻松，减轻了劳苦。这年轻人得使点劲干活才是&他也太懒散了。
7. Maybe you could improve it if you use a lot of elbow grease.
   如果你花力气打扫一下，或许会不错的。
8. The pot is so dirty that no amount of elbow grease will get it clean.
   这个锅子那么脏，费再大的力量也洗不干净。
9. By dint of much elbow grease, I was able to get both windows in the truck almost completely rolled down.
   靠着肘部脂肪的力量，我终于能够把卡车里的每扇窗子都差不多完全摇了下来。

noun

1. use of physical or mental energy
   1. he got an A for effort
   2. they managed only with great exertion

   Synonym:    effortexertiontravailsweat