He's a great hand at flirting and drinking, 他对酒色很有一手, but he's sure not interested in working. 但对工作却兴趣缺乏。 You lazy, good-for-nothing bum. 你这又懒又一无是处的流浪汉。 He's a complete loser. 他没出息。
What a pile of wasted flesh! 真是一堆废肉! He has nothing to show for his life. 他一生没任何成就。
Don't slack off. 不要偷懒。 He's a freeloader. 他是白食客。