asleep at the wheel/switchnot paying attention to a situation, so that something bad happens 漫不经心的〔以至不好的事发生〕 Several publishers were asleep at the switch, and missed the book’s potential. 几家出版商掉以轻心,没看到这本书的潜力。
asleep at the wheel/switch• One in seven road accidents is caused by drivers falling asleep at the wheel.
→ asleep at the wheel/switch at asleep(3)