H-10：have many irons in the fire 同时有许多重要的事情要做
A:John is very busy recently.
A:约翰最近看起来很忙。
B:He has many irons in the fire.
B:他手上揽了几份工作。
A:But the can manage to keep all of them hot.
A:但他还可以兼顾得很好。
B:He's really energetic.
B:他真是精力充沛。
