He’s always painstakingly at his books.
他总是在埋头
读。
;煞费心;;;;;;,专横;;;;He’s always painstakingly at his books.
他总是在埋头读。
Every aspect of the original has been closely studied and painstakingly reconstructed.
原作的每一细节都经过了仔细研究，费尽心才得以重现。
The old painting was damaged in the flood and had to be painstakingly restored.
那幅古画在洪水中遭到毁坏, 必须精心修复。
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