Guaranteeing
vt. 保证, 担保（guarantee的现在分词形式）
✅ 同义词
🗣️ 情景例句
That's my story and I'm sticking to it.
我说的就是这些，句句实情。
It's a pain in the neck.
这真是苦不堪言。
He suddenly appeared in the party.
他突然在晚会上出现了。