不刻苦努力英语

Tom is smart but does not work hard. work hard 勤奋的是意思。 Tom 后加了is因为smart是形容词。 而work hard前面加does 因为work是动词， 而且Tom是第三人称单数， 所以用does. does后面加动词原形。

Tom is smart but not hardworking.

西方人的说法: The most lazy bone. 最懒的懒骨头;

Tom is clever other than hard-working.