茫然: ignorant; vacant; blank; in the dark; at a loss 短语和例子茫然无知 be utterly ignorant; be in the dark; 这件事使我感到茫然。 i feel completely in the dark on this question
亏本: lose money in business; lose one's capital; at a loss; suffer a deficit 短语和例子亏本卖出 sell one's hens on a rainy day; 亏本生意 a losing proposition; 听说他做生意亏本了。 i hear that he is losing by his busi