Insignificancy
n. 无关紧要的事物(或人)
✅ 同义词
🗣️ 情景例句
They have to be here.
它们肯定就在这儿。
You've got no ID card, boy!
你是小孩吧，怎么没带身份证呀。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。