Joanna took the news about the rising in price of edible oil with a grain of salt. 【误译】乔安娜得到了食油与粒状食盐价格上涨的消息。 【正确】乔安娜对食油涨价的消息半信半疑。 说明：with a grain [pinch] of salt意为“半信半疑”、“可疑”、“打个折扣”。