不知足用英语怎么说？

不知足

• [bù zhī zú]
  insatiable，greedy，insatiability

例句

• Discontent is the first step in progress. 不知足是前进中的第一步。
• He traces all the miseries and discontents of life to insatiable selfishness. 他把人生一切苦难和不满都归咎于不知足的自私.
• However, the popular perception of China as an insatiable commodity - guzzler is now too simple. 然而, 普遍以为中国是不知足的原料消耗者现在看来似乎过于简单.