Beef不单单是牛肉的意思，在俚语的世界里是别有洞天的。
1. We’re not cool right now cuz he’s beefing with my folks.
这里beef是动词，相当于be in a disagreement， beefing with就是和谁闹不开心的意思。
2. I can see why he’s having beef with them again.
这里beef是名词，相当于grudge，对谁怀恨在心的意思。
3. He would have been off the parole next month, but he picked up a new beef.
这里beef是名词，相当于a criminal charge,本来快要释放了，但是又加了条罪过。
4. That skater really beefed.
这里beef当动词讲，类似于hit the ground hard，摔倒在地，夯到地面上了。
5. Aerobic exercises could beef up one's memory.
这里beef up是一个词组，类似strengthen。有氧运动可
1. We’re not cool right now cuz he’s beefing with my folks.
这里beef是动词，相当于be in a disagreement， beefing with就是和谁闹不开心的意思。
2. I can see why he’s having beef with them again.
这里beef是名词，相当于grudge，对谁怀恨在心的意思。
3. He would have been off the parole next month, but he picked up a new beef.
这里beef是名词，相当于a criminal charge,本来快要释放了，但是又加了条罪过。
4. That skater really beefed.
这里beef当动词讲，类似于hit the ground hard，摔倒在地，夯到地面上了。
5. Aerobic exercises could beef up one's memory.
这里beef up是一个词组，类似strengthen。有氧运动可