他头疼了应该好好休息用英语可以说成 "He has a headache, he should rest well."
来源:
这句话是由两个部分组成的，分别是 "he has a headache" 和 "he should rest well"。
"He has a headache" 表示"他头疼了", "has" 是助动词, "a headache" 是名词短语,表示 "头疼"的意思。
"He should rest well" 表示 "他应该好好休息", "should" 是助动词, "rest well" 是动词短语,表示 "好好休息"的意思。
例句:
"He has a headache, he should rest well"
"他头疼了,他应该好好休息"
"She has a fever, she should stay in bed."
"她发烧了,她应该卧床休息"
"I have a cold, I should drink more water."
"我感冒了,我应该多喝水"