glad的用法：
[not before noun 不用于名词前] pleased and happy about something 高兴的，开心的
We’re so glad you came.
你来了我们真高兴。
‘I’ve decided to accept the job.’ ‘I’m glad.’
“我决定接受这份工作。”“我很高兴。”
glad (that)
I’m really glad I don’t have to go back there again.
我真高兴我不用再回到那儿去了。
glad to do sth
I am glad to be back home.
我很高兴回到家里。
glad to see/hear etc
I’m glad to see you looking so well.
我很高兴看到你气色这么好。
happy用法：
having feelings of pleasure, for example because something good has happened to you or you are very satisfied with your life 高兴的，快乐的
It’s a lovely house and we’ve been very happy here.
房子很漂亮，我们住在这里非常开心。
I’ve never felt happier in my life.
我一生从未感到如此快乐。
He was a happy child who rarely cried.
他是一个快乐的孩子，很少哭鼻子。
the happy faces of the children
孩子们快乐的表情
I loved her and thought I could make her happy.
我爱她，我想我能让她幸福快乐。
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