He shows himself to BE confident, addicted (almost compulsively) to hardship
他显示他自己是个充满自信，不怕吃苦(几乎是自讨苦吃)的人。

If you have become addicted to Karaoke, you can say "I'm bitten by the Karaoke Bug" or "I'm caught by the Karaoke Bug."
如果你对卡拉OK上了瘾，你可说，“I＇ｍ　ｂｉｔｔｅn　ｂy　ｔhｅ　Kaｒaｏｋｅ　ｂｕｇ”或“I＇ｍ　ｃaｕｇhｔ　ｂy　ｔhｅ　Kaｒaｏｋｅ　ｂｕｇ.”(“我被卡拉OK迷住了。”)

If you are really addicted to it, sometimes you just can't concentrate in CLASS,"" he said.
"如果你陷进去了,有时在课上你会很难集中精力",他说。

Harry is so addicted to alcohol that he'd sell his soul FOR a bottle of whisky.
哈里如此沉溺于喝酒，结果他会为一瓶威士忌而出卖灵魂的。

FOR example people who have AIDS or who are addicted to drugs .
例如爱滋病患者和染上毒瘾的人。

HE' s finally off ( ie is no longer addicted to ) drugs
他终於戒了毒了

HE takes(ie is addicted to)drugs.
他嗜毒成瘾.

HE is addicted to alcohol
他嗜好喝酒。

Like all performers, HE is addicted to tHE adrenalin rush HE gets on tHE stage
如同所有的演员一样，乌斯蒂诺夫一上舞台就来激情，如上烟瘾。

Henrietta was at this time more than ever addicted to fine criticism
亨利艾塔比以前更喜欢作道德说教。