Conversancy
n. 熟悉, 精通
✅ 同义词
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
Who makes everything right must rise early.
要把事事都做好，必须坚持起得早。
I guessed, extremely old.
我猜测是极古老的东西。