bottleneck
瓶颈；障碍
例句：
The lack of personnel has caused a bottleneck in the shipping department.
人员缺乏已经给货运部带来了困难。
That's the way it is.
就是这么回事。
give offence
冒犯
例句：
If you are in the right, don't be afraid to give offence.
如果你是正确的话，就不要害怕冒犯别人。
对话：
A: Doctor, my teeth hurt.
B: I can tell from those little holes in your teeth that you like eating sweets.
A: Is it because sweets decay my teeth?
B: That's the way it is.
A：医生，我的牙痛。
B：我从你牙里的小洞可以看出你喜欢吃糖。
A：是因为糖腐蚀牙齿吗？
B：就是这么回事。
