迫使依靠(因別無他物)
throw sb back on sth
to force sb to rely on sth because nothing else is available
There was no TV so we were thrown back on our own resources (= had to entertain ourselves).沒有電視機,所以我們只好自娛自樂了。
釋義來自《牛津高階英漢雙解詞典》第 9 版