两个英语句子不太好理解似的,麻烦帮下忙!

两个英语句子不太好理解似的,麻烦帮下忙!
1.Once there,he would try to grasp handrail until he reached the lower steps that the warmer tunnel air kept ice free.
2.What he looked fro in others was a "good heart",and if he found one,the owner was good enough for him.