noun · metaphorical revolutionary momentum or the final necessary condition required for success

我们的项目万事俱备，只欠东风，就等资金到位了。

noun · a wind blowing from the east

由于刮起了强劲的东风，船只靠岸变得有些困难。

noun · the seasonal wind of spring, traditionally associated with warmth and the renewal of life

东风送暖，大地呈现出一派生机勃勃的景象。