make painstaking efforts;make every effort to [do one's best to] achieve perfection;shed one's heart blood;spare no pains ;

Our teachers throw themselves heart and soul into their work of bringing up a new generation.
我们的老师为培养新一代而呕心沥血.
来源:互联网摘选有人把教师比做红烛, 燃烧着自己, 明亮了别人, 甘作人梯,呕心沥血,献身教育.
来源:互联网摘选Thereafter, during a stretch of two exhausting hours, he was busy saving Goodson's life.
在此后的整整两个小时里, 他呕心沥血,忙于拯救古德森的性命.
来源:英汉文学 - 败坏赫德莱堡We should realize that they are expending their life and energy to teach us.
须知他们正在呕心沥血,耗损著自己的生命来教化我们哩!
来源:互联网摘选Teacher, you worked hard conscientious, quiet dedication of light and heat.
老师, 您呕心沥血、兢兢业业 、 默默无闻奉献着光和热.
来源:互联网摘选Start from scratch and for more than ten years, take infinite pains and cast brilliantly today.
白手起家拼搏十余载, 呕心沥血铸就辉煌在今朝.
来源:互联网摘选
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