Sharpens
v. （使）提高( sharpen的第三人称单数 ); （使声音）变得尖锐; （使）变得更好（或技术更高、更有效等）; （使）变得锋利
🗣️ 情景例句
And ... I know you can do it.
这……我知道你办得到。
God defend me from my friends; form my enemy I can defend myself.
防友靠天，防敌靠己。
After crossing the Equator, the captain called in at a port to have a new rudder fitted,
跨越赤道后，船长将船停靠在一个港口，在那儿换了一只舵。