failed等于什么词组
等于be unsuccessful in，中文意思是在…方面失败了
He failed in business.他经商失败。
Unfortunately attempts to cros***reed it with other potatoes have been unsuccessful.不幸的是，将它与其他土豆品种杂交的尝试均告失败。
His attempts to peddle his paintings around Laramie's tiny gallery scene proved unsuccessful.