1. 大方的：opener 开启的人 | openhanded 大方的 | openhearted 不隐瞒的

2. 慷慨的：openfile /打开文件/ | openhanded /慷慨的/ | openhearted /坦率的/直率的/

adj

1. given or giving freely

e.g. was a big tipper
the bounteous goodness of God
bountiful compliments
a freehanded host
a handsome allowance
Saturday's child is loving and giving
a liberal backer of the arts
a munificent gift
her fond and openhanded grandfather

Synonym: bigbigheartedbounteousbountifulfreehandedhandsomegivingliberal