Shrewder
a. 精明的( shrewd的比较级 ); 敏锐的; 有眼光的; 精于盘算的
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
I'm working on it.
我正在努力。
That rings a bell.
我总算想起来了。