英语词汇“know one's business”的读音、翻译、释义、用法及例句-智慧网

词汇	know one's business
释义	know one's businessknow one's business1.■精通业务Imes knows his business because he has been in this line for years.因为艾姆斯干这行多年, 所以他精通业务。
随便看	half-round chisel half-round clamping ring half-round coarse file half-round concave milling cutter half round countersunk head bolt halfround cutting veneer half-round drill half-round eaves-tile ornament half round edge half-round file half-round flatter half-round hammer half round head file for carpentry halfround head nail half-round head rivet half-round head screw half-round head square neck bolt half-round iron half round iron half round iron-bar half-round iron wire half-round middle file half-round moulding half-round nosing half-round oil stone

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