big
That's(very} big of you.
用：可用it代替that, you可换为him, her, them等其他人称代词。
意：(多用来讽刺)你可真大方!
例，It's big of him to harre lent me $5, you know, it might just have sacred my life!
他真大方，借了5美元给我，知道吗，’这5美元可能救了我的命!
A: You can use my car this evening!
今晚你可以用我的车。
B: Thank you, that's very big of yau.
谢谢，你可真大方!
