è¾è¦å³ä½: toilï¼sweat and toilï¼pains
å³å¨: hard labor
painstaking a: è¦å¹²çï¼å»è¦çï¼è°è¦ç
Extremely Painstaking: æå
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painstaking effort: å¿è¡ï¼è¾è¦çåªå
Painstaking Intention: ç¨å¿è¯è¦
Painstaking Care: å¿è¡ï¼æ å¾®ä¸è³çå
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Painstaking Research: æ½å¿ç 究
Painstaking Efforts: è¦å¿ç»è¥ä¸
painstaking n: è¦å¹²
painstaking work: å¤å¥
Hard working.åªåç
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