求助tear at/tear up两个词组的意思.最好有例句,

求助tear at/tear up两个词组的意思.最好有例句, tear tear tear tear tear tear tear up是什么意思 tear at soul tear作动词时的用法…I _______ the bag with great effort but I couldn't _______.A.tore,tear it openB.tore at,tear up itC.tore,tear it upD.tore at,tear it up tear up有流泪的意思吗 tear it up by mistake什么意思 Chokes up sadly,tear recklessly flow. Lift flap and tear at end 是什么意思? 翻译tear tear of tear是什么意思 true tear