do sth up 重新整修 ; 束起 ; 整理
give up to do sth 放弃后去做某事 ; 放弃去做某事
come up to do sth 走上来做某事 ; 过来做某事
line up to do sth 排好队做某事
When your friends do sth wrong , you always help them and never give them up .
当朋友做错事的时候，总是互相帮助，从不放弃他们．。
该句型为该由某人做…
As a result of too exert oneself to do sth. on tiptoe, can make knee concerns because of tiptoe emphatic and too go up at leg abdomen forcibly, bring about turnip leg very easily.
由于过于在脚尖上用力，会使膝盖因为脚尖用力的关系而太用力于腿肚上，很轻易导致萝卜腿。
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