L-0
[医] 无毒界量
🗣️ 情景例句
It doesn't hurt that much, does it?
这样没有那么痛， 是吗？
Know something like the palm of one's hand.
熟知其事，了如指掌。
It was no use pretending that I had not seen him, so I waved to him.
若再装作没看见他已是没有用了，我只好向他招手。