hard副词形式还是hard。hard的意思是坚固的，坚硬的，结实的，难做的，难懂的，难以回答的。hard的例句：I kicked a dustbin very hard and broke my toe（我狠狠地踢了一脚垃圾箱，结果脚趾骨折了）。

hard的例句：The hall porter was feeling hard done by at having to extend his shift（酒店行李搬运工因为被迫延长当班时间而愤愤不平）；California's been particularly hard hit by the recession（加利福尼亚受经济衰退的影响尤为严重）。