MEANING/意义
      
  • bù yí yú lì
      
    sound for pinyin
      
      
    do one's level best,without sparing any effort
    Type verb/动词  
        
    Topics 
EXAMPLES/列句
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    tā bù yí yú lì de bǎo hù běi jīng de gǔ dài jiàn zhù .
      
    sound for pinyin
    She lobbied hard to protect many of the old buildings in Beijing.
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