保持头脑清醒。
双语例句:
Many agencies are helping to keep personnel at their jobs by providing perks.
许多机构靠提供额外好处来留住员工。
She was no longer able to keep the lid on her simmering anger.
她再也无法克制住满腔的怒气了。
He had to keep his large family in the manner he had chosen.
他不得不以他所选择的方式养活他的一大家子人。
Keep adding water until you can comfortably poke your finger into the soil.
不停地加水,直到可以轻松地将手指插入土中为止。
[with infinitive]it's a crime to keep a creature like Willy in a tank.
将威利这样的动物关在水池里是不人道的。