on drugs
成語所屬單字drug
on drugs — 慣用語
1. Under the influence of an illegal or recreational drug; behaving as if affected
1.慣用語
釋義
吸毒後神智不清的；服藥後的恍惚狀態
Under the influence of an illegal or recreational drug; behaving as if affected by such a substance.
例句
The driver was acting strangely, and the police suspected he was on drugs.
You must be on drugs if you think that dangerous plan is a good idea.