1、形容词:fortunate ,意为“侥幸的,幸运的;带来幸运的,吉利的” ;It is fortunate that the tanker did not leak.庆幸的是,油罐车没有发生泄漏。2、副词:fortunately ,意为“幸运地”。Fortunately, the weather that winter was reasonably mild.幸好那个冬天还算暖和。