Yeah,i can see why you ruled out math.我知道你為什么排除學數學了

rule out消除； 排除； 劃線隔開

He did not rule out changing his mind.

他沒有排除改變主意的可能性。

Rule out that entry in the ledger, the transaction was cancelled.

那項交易已取消了，請從分類帳上劃去那筆帳目。

相關短語out of rule不按常規,違背慣例

It is out of rule for an unmarried woman to chaperon the little child.

由一個未婚婦人充當這小孩的監護是違反常規的。

Look,i've said a lot of things i wish i could take back,but i can't.我說了很多我想收回的話，但這不可能

take back收回； 拿回

I take back what I said just now.

我撤回剛才說的話。

The grocer took back the rancid butter.

雜貨店老板拿回了有腐臭油脂味的黃油。