The meanings of some English words

问题描述:

The meanings of some English words
Can you tell me some Chinese meanings of English words?They are :"in the lake afternoon","warm-hearted","stone-hearted","cold-hearted","look seriously at someboby".
If you can tell me the answer,I will thank him/her very much!

分别是:下午,热心的,铁石心肠的,冷漠的和很严肃地看着某人