1. My hobby is painting.
我的爱好是绘画。
还能这样说：
What I enjoy most is drawing.
Painting is my favourite.
应用解析：
pretty as paint 非常漂亮；
paint in 补画上去；
paint it red 把事物弄得引人注目；
paint sb. black 给某人抹黑；
paint out 用颜料涂去
2. He has skill in painting.
他擅长绘画。
还能这样说：
He is apt at painting.
He is good at painting.
应用解析：
diplomatic skill 外交手腕；
exert one's utmost skill 运用最大技巧；
have no skill in 没有……的技能；
pictorial skill 绘画技巧
3. Her daughter is dead nuts on painting.
她女儿热衷于绘画。
还能这样说：
Her daughter is full of enthusiasm about painting.
Her daughter is keen on painting.
谚语：
Let the dead bury the dead.
既往不咎；不念旧恶。
4. The painting was his last work after his wife died.
他的妻子死后这个画家就封笔了。
还能这样说：
The painter didn't paint any more after his wife died.
The artist gave up painting after the death of his wife.
应用解析：
last out 还够用；经得起；
be on one's last legs 糟糕；
the last word 权威性的言论；
the last lap 最后阶段