Using bronze bars and chisels, they laboriously pecked and hammered the stone.他们用青铜锭和凿子费力地捶凿石头。The sculptor chipped away at the stone/marble.雕刻家一点点地敲凿石头/大理石。The sculptor chipped away/off bits of stone.雕刻家一点点地敲凿石料。He was chipping away at the stone.他在凿石头。