turn one's back on / upon…
背棄……， 拋棄……
例句：
One should never turn his back on his home country.
一個(gè)人永遠(yuǎn)也不能背棄自己的祖國(guó)。
背棄……， 拋棄……
例句：
One should never turn his back on his home country.
一個(gè)人永遠(yuǎn)也不能背棄自己的祖國(guó)。