Allergy is caused by hypersensitivity of the immune system leading to a misdirected immune response.

He's a real pain-in-the-neck kid, so are you sure you want him?

他是真正令人头痛的孩子, 你真想要他?

Their efforts over the past years have been largely misdirected.

他们过去几年的努力大都白费了。

The pedestrian misdirected the out-of-town driver.

这名行人给外地司机指错了路.

The letter was misdirected to our old address.

那信误投到我们原来的地址了.

I find reading books a real pain in the neck.

我觉得看书实在让人头痛.

I think I can take most medicine except for strong pain reliever.

除了止痛片以外大多数药我都可以服用.

The doctor prescribed a pain reliever.

医生开了一副止疼药.

I probably have every over-the-counter brand of pain killer represented in there.

我这可能有市面上所有牌子的止痛药.

P: I only feel mild pain. I don't think a pain-killer is necessary.

我只感到有轻微的疼痛, 我想用不着吃止痛片.

I only feel mild pain. I don't think a pain-killer is necessary.

我只感到有轻微的疼痛, 我想用不著吃止痛片.

Aspirin is a powerful pain-killer.

阿斯匹林是一种特效止痛药.

The effect of the pain-killer will wear off in three hours.

这 止痛片 的效果只有三个小时.

Her injured leg was so painful that she had to take a pain-killer.

6她受伤的那条腿疼的厉害,她只好吃了一片止疼药.

Please give me an injection of pain killer.

请给我打一针止痛针.

I'll prescribe some pain-killer. Take one when you feel really bad.

我给你开点止疼片. 确实难受时,吃一片.

That's why the pain itself is employed as a pain killer.

这就是为什么,疼痛本身,却被用作了止痛药.

This is a new type of pain killer.

这是一种新的止痛药.

Please give me a pain-killer at once.

请立即给我 止痛片 吧.

Please give me a package of pain-killer.

请给我一盒去痛药.

He had a pained look.

他露出痛苦的神情.