exert oneself to; strive to do what is beyond one's power
exert oneself to meet a challenge.
A fewwhenComradeYangLimin leads science to need exert oneself to consider in this speech great theory and practice problem offered principal opinion.
When the coal price is good and the enterprise fund is abundant, coal business enterprise should exert oneself to develop the non-coal industry, preparing early for the future resource.
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.
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