Tom grassed his opponent with a well-placed blow . Bill must have grassed on us.
比尔肯定把我们出卖了.
《现代英汉综合大词典》
The asphalt playgrounds have been grassed over or sown with flowers.
原来的柏油操场已经覆上了草皮或种满了鲜花。
《柯林斯高阶英汉双解学习词典》
The police wouldn't have known of Terry's involvement if his brother hadn't grassed on him.
要是特里的弟弟不向警方告密的话,警方是不会知道特里的.
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如果那个囚犯没有告发珠宝窃贼的藏身处所,警察是绝对抓不到窃贼的。
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