您要查找的是不是：
- perceived illness threat 察觉疾病征兆
- His poor sight is a hangover from a bad illness he had. 他视力不好是他生了一场大病留下的后遗症。
- His illness resulted from bad food. 他的病是由于吃了变质的食物所致。
- Roughness of the skin can be caused by bad diet. 饮食不好可能引起皮肤粗糙。
- His illness was more serious than the doctor first thought. 他的病较医生原来以为的更严重。
- He is despondent over his illness. 他对自己的病情感到灰心沮丧。
- I perceived his comment as a challenge. 我认为他的批评是对我的激励。
- He kicked in after a long and painful illness. 经过长期痛苦的疾病之后，他死了。
- Illness kept the boy behind in his school work. 那个男孩因生病而功课落后了。
- His illness is attributable to overwork. 他的病可归因于劳累过度。
- We perceived that we were unwelcome and left. 我们发觉自己不受欢迎，因此便离开了。
- She refused to be dispirited by her long illness. 她并未因长期患病而萎靡不振。
- I perceived a man enter the house. 我看到一个人走进这间房子。
- The bad news dampened our spirits. 这恶耗使得我们精神沮丧。
- He was enfeebled by a long illness. 他因长期患病而虚弱无力。
- His face fell at the news of his mother's illness. 听到母亲生病的消息，他的脸色沈了下来。
- The incident put her in a bad mood. 这件事使她心情很不好。
- She was very listless after her illness. 她病后懒洋洋的。
- His illness put a crimp in our plans. 他的生病妨碍了我们的计画。
- It's a bad habit for a boy to toss off. 对一个男孩来说，手淫是个坏习惯。
