Your Heart labor-consuming power of ~ he has asthma, talk is ~.
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fèi lì
Spending power, more power means more waste
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No. 3
I dug a hole effortlessly
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No. 4
Cost energy and chemical costs energy. "Guiguzi summary article": "No effort, they pass into those who may never have to." Han Huan Kuan, "Salt and Iron in Canton": "Italy are not more widely cultivated, many but not hoe, effort without success. "Song Liu Bin," Cherry "Poetry:" previous generations reward effort, Nang spring day today. "Bing" man was languishing alone ":" Ying Chen will be out on the technology, said Pei Xiao Qing : 'do not trouble my father, and wait for me to check after reading'. "
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English Expression
n.: ado, strenuousness, take a lot of doing, need or use great effort, be strenuous
v.: great effort, strain (oneself)
Thesaurus
endeavor, endeavor, in an attempt to, nanban, take a lot of doing, complicate