My grandfather passed away when I was fifteen.我爺爺去世的時候我十五歲
pass away:逝世
His mother passed away last year.
他母親去年去世了。
That famous mathematician passed away yesterday.
昨天,那位著名的數學家去世了。
And then he just burst out laughing.后來他也大笑了出來
burst out:突然 ... 起來; 大聲叫喊
He burst out crying like a child.
他像孩子一樣忽然哭起來。
She burst out laughing and then checked herself.
她突然爆笑起來,然後又突然止住。
I just found out about the website,我只是剛剛才發現那個網站
find out:發現;找出來
We shall find out the truth early or late.
我們遲早會查明事實真相。