1.I appreciate your help very much when I was in trouble.
appreciate 意思是鉴赏 欣赏 感谢 后接名词或动名词 即appreciate (doing )sth
2.Judging from my experience,he is very honest and is sure to be on time.
judge from .按...判断
两句中译英（急急急）1.我非常感谢你在我陷入困境时帮我（appreciate)2.从以往的经验来看,他很讲信用,一定会守