peg at的用法和樣例：
例句
- The boys slung stones at the miserable cat.
這些男孩向那隻可憐的貓扔石頭。 - She threw her plate at his head and missed.
她把盤子朝他的頭扔去，但沒打中。
- He swung at me and I invited him.
他一拳朝我打來，我動也沒動接了他一拳。 - She took a swipe at him with her umbrella.
她掄起雨傘朝他打去。
辭彙搭配
- peg away at 堅持不懈地做...
