to rely on something when the first option fails
当第一个选项失败时依赖于某事 (dāng dì yī gè xuǎnxiàng shībài shí yīlài yú mǒu shì)
"If the deal falls through, we’ll fall back on our backup plan."
"如果交易失败，我们将依赖我们的备份计划。" (rúguǒ jiāoyì shībài, wǒmen jiāng yīlài yú wǒmen de bèikù jìhuà.)
to be knowledgeable or skilled about something
feeling completely happy and content
to heal from emotional pain after a breakup
to spread rapidly, especially online
lacking courage or determination
flawed input data will produce flawed results
