中文意思:
vt. 保持；经营；遵守；饲养；保留；保存；信守；记录；耽搁；存放
vi. 保持；继续不断
n. 保持；生计；生活费
You should keep doing it and never give up.
你要坚持做下去，不要放弃。
People had to burn these trees to keep warm during winters.
在冬天，人们得靠烧这些树保持暖和。
I'll be arriving around 2 pm, so keep an eye out for me.
我大概下午两点到，所以请关注着我。
Keep an eye out for anyone acting weirdly.
留心任何行为怪异的人。
